Rhestr adar Prydain

**Rhestr adar Prydain Fawr** yn eu trefn dacsonomegol. Mae'r drefn a'r enwau gwyddonol yn dilyn y ''British Ornithologist's Union (BOU)''. Adar a nodir fel **prin** yw'r rheiny a ystyrir yn adar prin gan y *British Birds Rarities Committee (BBRC)*.

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## Elyrch, gwyddau a hwyaid
200px|bawd|Elyrch dof
200px|bawd|Gwyddau gwylltion
200px|bawd|Hwyaden wyllt
200px|bawd|Hwyaden fwythblu
**Urdd**: Anseriformes
**Teulu**: Anatidae

*Alarch Bewick, Bewick's swan, *Cygnus columbianus*
*Alarch dof, Mute swan, *Cygnus olor*
*Alarch y Gogledd, Whooper swan, *Cygnus cygnus*
*Corhwyaden, Teal, *Anas crecca*
*Corhwyaden asgellwerdd, Green-winged teal, *Anas carolinensis*
*Corhwyaden asgell-las, Blue-winged teal, *Anas discors* **prin**
*Corhwyaden Baical, Baikal teal, *Anas formosa* **prin**
*Chwiwell, Wigeon, *Anas penelope*
*Chwiwell America, American Wigeon, *Anas americana*
*Gŵydd Canada, Canada goose, *Branta canadensis*
*Gŵydd dalcenwen, White-fronted goose, *Anser albifrons*
*Gŵydd dalcenwen fechan, Lesser white-fronted goose, *Anser erythropus* **prin**
*Gŵydd droedbinc, Pink-footed goose, *Anser brachyrhynchus*
*Gŵydd ddu, Brent goose, *Branta bernicla*
*Gŵydd eira, Snow goose, *Anser caerulescens*
*Gŵydd frongoch, Red-breasted goose, *Branta ruficollis* **prin**
*Gŵydd lwyd, Greylag goose, *Anser anser*
*Gŵydd wyran, Barnacle goose, *Branta leucopsis*
*Gŵydd y llafur, Bean goose, *Anser fabalis*
*Gŵydd yr Aifft, Egyptian goose, *Alopochen aegyptiaca*
*Hwyaden amryliw, Harlequin duck, *Histrionicus histrionicus* **prin**
*Hwyaden addfain, Garganey, *Anas querquedula*
*Hwyaden benddu, Scaup, *Aythya marila*
*Hwyaden benddu fechan, Lesser scaup, *Aythya affinis* **prin**
*Hwyaden benfras, Bufflehead, *Bucephala albeola* **prin**
*Hwyaden bengoch, Pochard, *Aythya ferina*
*Hwyaden bengoch America, Redhead, *Aythya americana* **prin**
*Hwyaden bengoch fawr, Canvasback, *Aythya valisineria* **prin**
*Hwyaden dorchog, Ring-necked duck, *Aythya collaris*
*Hwyaden ddanheddog, Goosander, *Mergus merganser*
*Hwyaden ddu, Black duck, *Anas rubripes* **prin**
*Hwyaden frongoch, Red-breasted merganser, *Mergus serrator*
*Hwyaden fwythblu, Eider, *Somateria mollissima*
*Hwyaden fwythblu'r Gogledd, Hwyaden fwythblu big-goch, King eider, *Somateria spectabilis* **prin**
*Hwyaden fwythblu Steller, Steller's eider, *Polysticta stelleri* **prin**
*Hwyaden goch, Ruddy duck, *Oxyura jamaicensis*
*Hwyaden goch yr eithin, Ruddy shelduck, *Tadorna ferruginea* **prin**
*Hwyaden gopog, Tufted duck, *Aythya fuligula*
*Hwyaden gribog, Mandarin duck, *Aix galericulata*
*Hwyaden gribgoch, Red-crested pochard, *Netta rufina*
*Hwyaden gycyllog, Hwyaden benwen, Hooded merganser, *Lophodytes cucullatus* **prin**
*Hwyaden gynffon-hir, Long-tailed duck, *Clangula hyemalis*
*Hwyaden lostfain, Pintail, *Anas acuta*
*Hwyaden lwyd, Gadwall, *Anas strepera*
*Hwyaden lydanbig, Shoveler, *Anas clypeata*
*Hwyaden lygad aur, Goldeneye, *Bucephala clangula*
*Hwyaden lygad aur Barrow, Barrow's goldeneye, *Bucephala islandica* **prin**
*Hwyaden lygadwen, Ferruginous duck, *Aythya nyroca*
*Hwyaden wyllt, Mallard, *Anas platyrhynchos*
*Hwyaden yr eithin neu Hwyaden fraith, Shelduck, *Tadorna tadorna*
*Lleian wen, Smew, *Mergellus albellus*
*Môr-hwyaden America, Black scoter, *Melanitta americana* **prin**
*Môr-hwyaden ddu, Common scoter, *Melanitta nigra*
*Môr-hwyaden y Gogledd, Velvet scoter, *Melanitta fusca*
*Môr-hwyaden yr ewyn, Surf scoter, *Melanitta perspicillata*

## Grugieir
200px|bawd|Grugiar goch
**Urdd**: Galliformes
**Teulu**: Tetraonidae

*Grugiar coed, Capercaillie, *Tetrao urogallus*
*Grugiar ddu, Black grouse, *Tetrao tetrix*
*Grugiar goch, Red grouse, *Lagopus lagopus scotica*
*Grugiar wen, Ptarmigan, *Lagopus mutus*

## Petris a ffesantod
200px|bawd|Ffesant
**Urdd**: Galliformes
**Teulu**: Phasianidae

*Ffesant, Pheasant, *Phasianus colchicus*
*Ffesant Amherst, Lady Amherst's pheasant, *Chrysolophus amherstiae*
*Ffesant euraid, Golden pheasant, *Chrysolophus pictus*
*Petrisen, Grey partridge, *Perdix perdix*
*Petrisen goesgoch, Red-legged partridge, *Alectorix rufa*
*Sofliar, Quail, *Coturnix coturnix*

## Trochyddion
**Urdd**: Gaviiformes
**Teulu**: Gaviidae

*Trochydd gyddfddu, Black-throated diver, *Gavia arctica*
*Trochydd gyddfgoch, Red-throated diver, *Gavia stellata*
*Trochydd mawr, Great Northern diver, *Gavia immer*
*Trochydd pigwyn, White-billed diver, *Gavia adamsii*
*Trochydd y Môr Tawel, Pacific diver, *Gavia pacifica* **prin**

## Albatrosiaid
**Urdd**: Procellariiformes
**Teulu**: Diomedeidae

*Albatros aelddu, Black-browed albatross, *Thalassarche melanophris* **prin**
*Albatros ffroenfelyn, Yellow-nosed albatross, *Thalassarche chlororhynchos* **prin**

## Adar drycin a phedrynnod
200px|bawd|Aderyn drycin y graig
**Urdd**: Procellariiformes
**Teulu**: Procellariidae

*Aderyn drycin bach, Macaronesian shearwater, *Puffinus baroli* **prin**
*Aderyn drycin Balearig, Balearic shearwater, *Puffinus mauretanicus*
*Aderyn drycin Cory, Cory's shearwater, *Calonectris diomedea*
*Aderyn drycin du, Sooty shearwater, *Puffinus griseus*
*Aderyn drycin Manaw, Manx shearwater, *Puffinus puffinus*
*Aderyn drycin mawr, Great shearwater, *Puffinus gravis*
*Aderyn drycin y graig, Fulmar, *Fulmarus glacialis*
*Pedryn Cabo Verde, Fea's petrel, *Pterodroma feae* **prin**
*Pedryn capanog, Black-capped petrel, *Pterodroma hasitata* **prin**

## Pedrynnod drycin
200px|bawd|Pedryn drycin
**Urdd**: Procellariiformes
**Teulu**: Hydrobatidae

*Pedryn drycin, Storm petrel, *Hydrobates pelagicus*
*Pedryn drycin Leach, Leach's storm petrel, *Oceanodroma leucorhoa*
*Pedryn drycin Madeira, Madeiran storm petrel, *Oceanodroma castro* **prin**
*Pedryn drycin Swinhoe, Swinhoe's storm petrel, *Oceanodroma monorhis* **prin**
*Pedryn drycin Wilson, Wilson's storm petrel, *Oceanites oceanicus*
*Pedryn drycin wynebwyn, White-faced storm petrel, *Pelagodroma marina* **prin**

## Adar trofannol
**Urdd**: Pelecaniformes
**Teulu**: Phaethontidae

*Aderyn Trofannol Pig-goch (Red-billed Tropicbird, *Phaethon aethereus*) **prin**

## Huganod
200px|bawd|Huganod
**Urdd**: Pelecaniformes
**Teulu**: Sulidae

*Hugan, Gwylanwydd, Mulfran Wen (Gannet, *Morus bassanus*)

## Mulfrain
**Urdd**: Pelecaniformes
**Teulu**: Phalacrocoracidae

*Mulfran, Morfran, Bilidowcar (Cormorant, *Phalacrocorax carbo*)
*Mulfran Ddeugopog (Double-crested Cormorant, *Phalacrocorax auritus*) **prin**
*Mulfran werdd, Shag, *Phalacrocorax aristotelis*

## Adar ffrigad
**Urdd**: Pelecaniformes
**Teulu**: Fregatidae

*Aderyn Ffrigad Gwych (Magnificent Frigatebird, *Fregata magnificens*) **prin**
*Aderyn Ffrigad Ynys Ascension (Ascension Frigatebird, *Fregata aquila*) **prin**

## Crehyrod
200px|bawd|Crëyr bach
**Urdd**: Ciconiiformes
**Teulu**: Ardeidae

*Aderyn y bwn, Bittern, *Botaurus stellaris*
*Aderyn bwn America, American bittern, *Botaurus lentiginosus* **prin**
*Aderyn bwn lleiaf, Little bittern, *Ixobrychus minutus* **prin**
*Crëyr bach, Little egret, *Egretta garzetta*
*Crëyr eirwyn, Snowy egret, *Egretta thula* **prin**
*Crëyr glas, Grey heron, *Ardea cinerea*
*Crëyr gwartheg, Cattle egret, *Bubulcus ibis*
*Crëyr gwyrdd, Green heron, *Butorides virescens* **prin**
*Crëyr mawr glas, Great blue heron, *Ardea herodias* **prin**
*Crëyr mawr gwyn, Great white egret, *Ardea alba*
*Crëyr melyn, Squacco heron, *Ardeola ralloides* **prin**
*Crëyr nos, Night heron, *Nycticorax nycticorax*
*Crëyr porffor, Purple heron, *Ardea purpurea*

## Ciconiaid
**Urdd**: Ciconiiformes
**Teulu**: Ciconiidae

*Ciconia du, Black stork, *Ciconia nigra* **prin**
*Ciconia gwyn, White stork, *Ciconia ciconia*

## Crymanbigau a llwybigau
**Urdd**: Ciconiiformes
**Teulu**: Threskiornithidae

*Ibis du, Glossy ibis, *Plegadis falcinellus* **prin**
*Llwybig, Spoonbill, *Platalea leucorodia*

## Gwyachod
200px|bawd|Teulu o Wyachod mawr copog
**Urdd**: Podicipediformes
**Teulu**: Podicipedidae

*Gwyach fach, Little grebe, *Tachybaptus ruficollis*
*Gwyach fawr gopog, Great crested grebe, *Podiceps cristatus*
*Gwyach gorniog, Slavonian grebe, *Podiceps auritus*
*Gwyach yddfgoch, Red-necked grebe, *Podiceps grisegena*
*Gwyach yddfddu, Black-necked grebe, *Podiceps nigricollis*
*Gwyach ylfinfraith, Pied-billed grebe, *Podilymbus podiceps*

## Eryrod a gweilch
200px|bawd|Barcud coch
**Urdd**: Falconiformes
**Teulu**: Accipitridae

*Barcud coch, Red kite, *Milvus milvus*
*Barcud du, Black kite, *Milvus migrans*
*Boda bacsiog, Rough-legged buzzard, *Buteo lagopus*
*Boda gwerni, Marsh harrier, *Circus aeruginosus*
*Boda llwydwyn, Pallid harrier, *Circus macrourus* **prin**
*Boda mêl, Honey buzzard, *Pernis apivorus*
*Boda Montagu, Montagu's harrier, *Circus pygargus*
*Boda tinwyn, Hen harrier, *Circus cyaneus*
*Bwncath, Buzzard, *Buteo buteo*
*Eryr brith, Spotted eagle, *Aquila clanga* **prin**
*Eryr euraid, Golden eagle, *Aquila chrysaetos*
*Eryr môr, White-tailed eagle, *Haliaaetus albicilla*
*Eryr nadroedd cyffredin, Short-toed eagle, *Circaetus gallicus* **prin**
*Fwltur yr Aifft, Egyptian vulture, *Neophron percnopterus* **prin**
*Gwalch glas, Sparrowhawk, *Accipiter nisus*
*Gwalch Marthin, Goshawk, *Accipiter gentilis*

## Gwalch y pysgod
**Urdd**: Falconiformes
**Teulu**: Pandionidae

*Gwalch y pysgod, Osprey, *Pandion haliaetus*

## Hebogiaid
200px|de|bawd|Hebog tramor
**Urdd**: Falconiformes
**Teulu**: Falconidae

*Cudyll Bach, Merlin, *Falco columbarius*
*Cudyll Coch, Kestrel, *Falco tinnunculus*
*Cudyll Coch America, American Kestrel, *Falco sparverius* **prin**
*Cudyll Coch Lleiaf, Lesser Kestrel, *Falco naumanni* **prin**
*Cudyll Troetgoch, Red-footed Falcon, *Falco vespertinus*
*Cudyll Troetgoch y Dwyrain, Amur Falcon, *Falco amurensis* **prin**
*Hebog Eleonora, Eleonora's Falcon, *Falco eleonorae* **prin**
*Hebog tramor, Peregrine Falcon, *Falco peregrinus*
*Hebog y Gogledd, Gyr Falcon, *Falco rusticolus* **prin**
*Hebog yr Ehedydd, Hobby, *Falco subbuteo*

## Rhegennod
**Urdd**: Gruiformes
**Teulu**: Rallidae

*Cwtiar, Coot, *Fulica atra*
*Cwtiar America, American coot, *Fulica americana* **prin**
*Iâr ddŵr, Moorhen, *Gallinula chloropus*
*Iâr ddŵr Allen, Allen's gallinule, *Porphyrio alleni* **prin**
*Iâr ddŵr America, American purple gallinule, *Porphyrio martinica* **prin**
*Rhegen Baillon, Baillon's crake, *Porzana pusilla* **prin**
*Rhegen dŵr, Water rail, *Rallus aquaticus*
*Rhegen fach, Little crake, *Porzana parva*
*Rhegen fraith, Spotted crake, *Porzana porzana*
*Rhegen sora, Sora, *Porzana carolina* **prin**
*Rhegen yr ŷd, Corn crake, *Crex crex*

## Garanod
200px|de|bawd|Garan
**Urdd**: Gruiformes
**Teulu**: Gruidae

*Garan (Crane, *Grus grus*)
*Garan y Twyni (Sandhill Crane, *Grus canadensis*) **prin**

## Ceiliogod y waun
**Urdd**: Gruiformes
**Teulu**: Otididae

*Ceiliog y Waun Lleiaf (Little Bustard, *Tetrax tetrax*) **prin**
*Ceiliog gwaun copog (Macqueen's Bustard, *Chlamydotis macqueenii*) **prin**
*Ceiliog y Waun (Great Bustard, *Otis tarda*) **prin**

## Piod môr
200px|de|bawd|Pioden y Môr a'i chyw.
**Urdd**: Charadriiformes
**Teulu**: Haematopodidae

*Pioden y Môr (Oystercatcher, *Haematopus ostralegus*)

## Cambigau ac hirgoesau
**Urdd**: Charadriiformes
**Teulu**: Recurvirostridae

*Hirgoes (Black-winged Stilt, *Himantopus himantopus*) **prin**
*Cambig (Avocet, *Recurvirostra avosetta*)

## Rhedwyr y moelydd
**Urdd**: Charadriiformes
**Teulu**: Burhinidae

*Rhedwr y Moelydd (Stone Curlew, *Burhinus oedicnemus*)

## Rhedwyr y twyni a chwtiadwenoliaid
**Urdd**: Charadriiformes
**Teulu**: Glareolidae

*Rhedwr y Twyni (Cream-coloured Courser, *Cursorius cursor*) **prin**
*Cwtiadwennol Dorchog (Collared Pratincole, *Glareola pratincola*) **prin**
*Cwtiadwennol y Dwyrain (Oriental Pratincole, *Glareola maldivarum*) **prin**
*Cwtiadwennol Aden-ddu (Black-winged Pratincole, *Glareola nordmanni*) **prin**

## Cwtiaid
200px|bawd|Cwtiad torchog
**Urdd**: Charadriiformes
**Teulu**: Charadriidae

*Cornchwiglen, Lapwing, *Vanellus vanellus*
*Cwtiad aur, Golden plover, *Pluvialis apricaria*
*Cwtiad Caint, Kentish plover, *Charadrius alexandrinus*
*Cwtiad Caspia, Caspian plover, *Charadrius asiaticus* **prin**
*Cwtiad llwyd, Grey plover, *Pluvialis squatarola*
*Cwtiad torchog, Ringed plover, *Charadrius hiaticula*
*Cwtiad torchog America, Semipalmated plover, *Charadrius semipalmatus* **prin**
*Cwtiad torchog bach, Little ringed plover, *Charadrius dubius*
*Cwtiad torchog mawr, Killdeer, *Charadrius vociferus* **prin**
*Cwtiad tywod bach, Lesser sand plover, *Charadrius mongolus* **prin**
*Cwtiad tywod mawr, Greater sand plover, *Charadrius leschenaultii* **prin**
*Hutan y Mynydd (Dotterel, *Charadrius morinellus*)
*Corgwtiad Aur (American Golden Plover, *Pluvialis dominica*)
*Corgwtiad y Môr Tawel (Pacific Golden Plover, *Pluvialis fulva*) **prin**
*Cornchwiglen Heidiol, Cwtiad Heidiol (Sociable Lapwing, *Vanellus gregarius*) **prin**
*Cornchwiglen Gynffonwen (White-tailed Lapwing, *Vanellus leucurus*) **prin**

## Pibyddion
200px|bawd|Cwtiad y traeth
200px|bawd|Gïach cyffredin
200px|bawd|Gylfinir
200px|bawd|Pibydd y dorlan
200px|bawd|Pibydd y tywod
**Urdd**: Charadriiformes
**Teulu**: Scolopacidae

*Coegylfinir, Whimbrel, *Numenius phaeopus*
*Coegylfinir bach, Little Curlew, *Numenius minutus* **prin**
*Cwtiad y traeth, Turnstone, *Arenaria interpres*
*Cyffylog, Woodcock, *Scolopax rusticola*
*Gïach bach, Jack snipe, *Lymnocryptes minimus*
*Gïach brongoch, Short-billed dowitcher, *Limnodromus griseus* **prin**
*Gïach cyffredin, Snipe, *Gallinago gallinago*
*Gïach gylfinhir, Long-billed dowitcher, *Limnodromus scolopaceus* **prin**
*Gïach mawr, Great snipe, *Gallinago media* **prin**
*Gïach Wilson, Wilson's snipe, *Gallinago delicata* **prin**
*Gylfinir, Curlew, *Numenius arquata*
*Gylfinir y Gogledd, Eskimo curlew, *Numenius borealis* **prin**
*Melyngoes bach, Lesser yellowlegs, *Tringa flavipes* **prin**
*Melyngoes mawr, Greater yellowlegs, *Tringa melanoleuca* **prin**
*Pibydd bach, Little stint, *Calidris minuta*
*Pibydd Baird, Baird's sandpiper, *Calidris bairdii* **prin**
*Pibydd bronllwyd, Buff-breasted sandpiper, *Tryngites subruficollis*
*Pibydd brych, Spotted sandpiper, *Actitis macularius* **prin**
*Pibydd bychan, Least sandpiper , *Calidris minutilla* **prin**
*Pibydd cain, Pectoral sandpiper, *Calidris melanotos*
*Pibydd cambig, Curlew sandpiper, *Calidirs ferruginea*
*Pibydd coesgoch, Redshank, *Tringa totanus*
*Pibydd coesgoch mannog, Spotted redshank, *Tringa erythropus*
*Pibydd coeswerdd, Greenshank, *Tringa nebularia*
*Pibydd cynffonfain, Sharp-tailed sandpiper, *Calidris acuminata* **prin**
*Pibydd cynffonhir, Upland sandpiper, *Bartramia longicauda* **prin**
*Pibydd cynffonlwyd, Grey-tailed tattler, *Heteroscelus brevipes* **prin**
*Pibydd du, Purple sandpiper, *Calidris maritima*
*Pibydd gwyrdd, Green sandpiper, *Tringa ochropus*
*Pibydd gyddfgoch, Red-necked stint, *Calidris ruficollis* **prin**
*Pibydd hirfys, Long-toed stint, *Calidris subminuta* **prin**
*Pibydd hirgoes, Stilt sandpiper, *Calidris himantopus* **prin**
*Pibydd llwyd, Semipalmated sandpiper, *Calidris pusilla* **prin**
*Pibydd llydanbig, Broad-billed sandpiper, *Limicola falcinellus* **prin**
*Pibydd mawr yr aber, Great knot, *Calidris tenuirostris* **prin**
*Pibydd Temminck, Temminck's stint, *Calidris temminckii*
*Pibydd Terek, Terek sandpiper, *Xenus cinerea* **prin**
*Pibydd tinwen, White-rumped sandpiper, *Calidris fuscicollis*
*Pibydd torchog, Ruff, *Philomachus pugnax*
*Pibydd unig, Solitary sandpiper, *Tringa solitaria* **prin**
*Pibydd y dorlan, Common sandpiper, *Actitis hypoleucos*
*Pibydd y Gorllewin, Western Sandpiper, *Calidris mauri* **prin**
*Pibydd y gors, Marsh sandpiper, *Tringa stagnatilis* **prin**
*Pibydd y graean, Wood sandpiper, *Tringa glareola*
*Pibydd y mawn, Dunlin, *Calidris alpina*
*Pibydd y tywod (Sanderling, *Calidris alba*)
*Pibydd yr aber, Knot, *Calidris canutus*
*Rhostog gynffonddu, Black-tailed Godwit, *Limosa limosa*
*Rhostog gynffonfraith, Bar-tailed Godwit, *Limosa lapponica*
*Rhostog Hudson, Hudsonian Godwit, *Limosa haemastica* **prin**

## Adar llydandroed
**Urdd**: Charadriiformes
**Teulu**: Phalaropidae

*Llydandroed Wilson (Wilson's Phalarope, *Phalaropus tricolor*) **prin**
*Llydandroed Gyddfgoch (Red-necked Phalarope, *Phalaropus lobatus*)
*Llydandroed Llwyd (Grey Phalarope, *Phalaropus fulicarius*)

## Sgiwennod
200px|de|bawd|Sgiwen y Gogledd
**Urdd**: Charadriiformes
**Teulu**: Stercorariidae

*Sgiwen Frech (Pomarine Skua, *Stercorarius pomarinus*)
*Sgiwen y Gogledd (Arctic Skua, *Stercorarius parasiticus*)
*Sgiwen Lostfain (Long-tailed Skua, *Stercorarius longicaudus*)
*Sgiwen Fawr (Great Skua, *Stercorarius skua*)

## Gwylanod
200px|de|bawd|Gwylan Benddu
200px|de|bawd|Gwylan Gefnddu Leiaf
**Urdd**: Charadriiformes
**Teulu**: Laridae

*Gwylan Ifori (Ivory Gull, *Pagophila eburnea*) **prin**
*Gwylan Sabine (Sabine's Gull, *Xema sabini*)
*Gwylan Goesddu (Kittiwake, *Rissa tridactyla*)
*Gwylan Ylfinfain (Slender-billed Gull, *Chroicocephalus genei*) **prin**
*Gwylan Bonaparte (Bonaparte's Gull, *Chroicocephalus philadelphia*) **prin**
*Gwylan Benddu (Black-headed Gull, *Chroicocephalus ridibundus*)
*Gwylan Fechan (Little Gull, *Hydrocoloeus minutus*)
*Gwylan Ross (Ross's Gull, *Rhodostethia rosea*) **prin**
*Gwylan Chwerthinog (Laughing Gull, *Larus atricilla*) **prin**
*Gwylan Franklin (Franklin's Gull, *Larus pipixcan*) **prin**
*Gwylan Môr y Canoldir (Mediterranean Gull, *Larus melanocephalus*)
*Gwylan Audouin (Audouin's Gull, *Larus audouinii*) **prin**
*Gwylan Benddu Fwyaf (Great Black-headed Gull, *Larus ichthyaetus*) **prin**
*Gwylan y Gweunydd (Common Gull, *Larus canus*)
*Gwylan Fodrwybig (Ring-billed Gull, *Larus delawarensis*)
*Gwylan Gefnddu Leiaf (Lesser Black-backed Gull, *Larus fuscus*)
*Gwylan y Penwaig (Herring Gull, *Larus argentatus*)
*Gwylan Goesfelen (Yellow-legged Gull, *Larus michahellis*)
*Gwylan Caspia (Caspian Gull, *Larus cachinnans*)
*Gwylan y Penwaig America (American Herring Gull, *Larus smithsonianus*) **prin**
*Gwylan yr Arctig (Iceland Gull, *Larus glaucoides*)
*Gwylan Adeinlwydlas (Glaucous-winged Gull, *Larus glaucescens*) '**prin**
*Gwylan y Gogledd (Glaucous Gull, *Larus hyperboreus*)
*Gwylan Gefnddu Fwyaf (Great Black-backed Gull, *Larus marinus*)

## Môr-wenoliaid
200px|bawd|Môr-wennol y Gogledd
**Urdd**: Charadriiformes
**Teulu**: Sternidae

*Corswennol adeinwen, White-winged black tern, *Chlidonias leucoptera* **prin**
*Corswennol ddu, Black tern, *Chlidonias niger*
*Corswennol farfog, Whiskered tern, *Chlidonias hybrida*
*Môr-wennol Aleutia, Aleutian tern *Onychoprion aleutica* **prin**
*Môr-wennol bigddu, Sandwich tern, *Sterna sandvicensis*
*Môr-wennol Cabot, Cabot's tern, *Sterna acuflavida* **prin**
*Môr-wennol fawr, Royal tern, *Sterna maxima* **prin**
*Môr-wennol fechan, Little tern, *Sternula albifrons*
*Môr-wennol Forster, Forster's tern, *Sterna forsteri* **prin**
*Môr-wennol fraith, Sooty tern, *Onychoprion fuscata* **prin**
*Môr-wennol ffrwynog, Bridled tern, *Onychoprion anaethetus* **prin**
*Môr-wennol gawraidd, Caspian tern, *Hydroprogne caspia* **prin**
*Môr-wennol gribog leiaf, Lesser crested tern, *Sterna bengalensis* **prin**
*Môr-wennol gyffredin, Common tern, *Sterna hirundo*
*Môr-wennol wridog, Roseate tern, *Sterna dougallii*
*Môr-wennol y Gogledd, Arctic tern, *Sterna paradisaea*
*Môr-wennol ylfinbraff, Gull-billed tern, *Gelochelidon nilotica* **prin**

## Carfilod
200px|de|bawd|Pâl
**Urdd**: Charadriiformes
**Teulu**: Alcidae

*Gwylog neu Heligog  (Guillemot, *Uria aalge*)
*Gwylog Brünnich (Brünnich's Guillemot, *Uria lomvia*) **prin**
*Llurs (Razorbill, *Alca torda*)
*Carfil Mawr (Great Auk, *Pinguinus impennis*) **diflanedig**
*Gwylog Ddu (Black Guillemot, *Cepphus grylle*)
*Gwylog Hirbig (Long-billed Murrelet, *Brachyramphus perdix*) **prin**
*Carfil Hynafol (Ancient Murrelet, *Synthliboramphus antiquus*) **prin**
*Carfil Bach (Little Auk, *Alle alle*)
*Pâl, Aderyn Pâl (Puffin, *Fratercula arctica*)
*Pâl Pentusw (Tufted Puffin, *Fratercula cirrhata*) **prin**

## Ieir y diffeithwch
**Urdd**: Pteroclidiformes
**Teulu**: Pteroclididae

*Iâr y Diffeithwch (Pallas's Sandgrouse, *Syrrhaptes paradoxus*) **prin**

## Colomennod
200px|de|bawd|Ysguthan
**Urdd**: Columbiformes
**Teulu**: Columbidae

*Colomen graig (Rock Dove, *Columba livia*)
*Colomen Wyllt (Stock Dove, *Columba oenas*)
*Ysguthan (Woodpigeon, *Columba palumbus*)
*Turtur Dorchog (Collared Dove, *Streptopelia decaocto*)
*Turtur (Turtle Dove, *Streptopelia turtur*)
*Turtur Ddwyreiniol (Oriental Turtle Dove, *Streptopelia orientalis*) **prin**
*Colomen Alarus (Mourning Dove, *Zenaida macroura*) **prin**

## Parotiaid
**Urdd**: Psittaciformes
**Teulu**: Psittacidae

*Paracit Torchog, Corbarot Torchog (Ring-necked Parakeet, *Psittacula krameri*)

## Cogau
200px|de|bawd|Cog
**Urdd**: Cuculiformes
**Teulu**: Cuculidae

*Cog Frech (Great Spotted Cuckoo, *Clamator glandarius*) **prin**
*Cog, Cwcw (Cuckoo, *Cuculus canorus*)
*Cog Bigddu (Black-billed Cuckoo, *Coccyzus erythrophthalmus*) **prin**
*Cog Bigfelen (Yellow-billed Cuckoo, *Coccyzus americanus*) **prin**

## Tylluanod gwynion
**Urdd**: Strigiformes
**Teulu**: Tytonidae

*Tylluan Wen (Barn Owl, *Tyto alba*)

## Tylluanod
200px|de|bawd|Tylluanod Brych ifainc
**Urdd**: Strigiformes
**Teulu**: Strigidae

*Tylluan Scops (Scops Owl, *Otus scops*) **prin**
*Tylluan yr Eira (Snowy Owl, *Bubo scandiaca*) **prin**
*Cudyll-dylluan (Hawk Owl, *Surnia ulula*) **prin**
*Tylluan Fach (Little Owl, *Athene noctua*)
*Tylluan Frech (Tawny Owl, *Strix aluco*)
*Tylluan Gorniog (Long-eared Owl, *Asio otus*)
*Tylluan Glustiog (Short-eared Owl, *Asio flammeus*)
*Tylluan Tengmalm (Tengmalm's Owl, *Aegolius funereus*) **prin**

## Troellwyr
200px|de|bawd|Troellwr Mawr
**Urdd**: Caprimulgiformes
**Teulu**: Caprimulgidae

*Troellwr Mawr (Nightjar, *Caprimulgus europaeus*)
*Troellwr Gyddfgoch, Troellwr Mawr Gyddfgoch (Red-necked Nightjar, *Caprimulgus ruficollis*) **prin**
*Troellwr Mawr yr Aifft (Egyptian Nightjar, *Caprimulgus aegyptius*) **prin**
*Cudyll-droellwr (Common Nighthawk, *Chordeiles minor*) **prin**

## Gwenoliaid duon
**Urdd**: Apodiformes
**Teulu**: Apodidae

*Coblyn Simdde, Gwennol Ddu'r Simneiau (Chimney Swift, *Chaetura pelagica*) **prin**
*Llostfain gyddfwyn (White-throated Needletail, *Hirundapus caudacutus*) **prin**
*Gwennol ddu (Swift, *Apus apus*)
*Coblyn gwelw, Gwennol Ddu Welw, Coblyn Gwelw (Pallid Swift, *Apus pallidus*) **prin**
*Coblyn y Môr Tawel (Pacific Swift, *Apus pacificus*) **prin**
*Gwennol ddu'r Alpau, Coblyn yr Alpau (Alpine Swift, *Apus melba*)
*Gwennol ddu fach, Coblyn Bach (Little Swift, *Apus affinis*) **prin**

## Gleision y dorlan
200px|de|bawd|Glas y dorlan
**Urdd**: Coraciiformes
**Teulu**: Alcedinidae

*Glas y dorlan (Kingfisher, *Alcedo atthis*)
*Pysgotwr Cylchog (Belted Kingfisher, *Megaceryle alcyon*) **prin**

## Gwybedogion y gwenyn
**Urdd**: Coraciiformes
**Teulu**: Meropidae

*Gwenynysor Bochlas (Blue-cheeked Bee-eater, *Merops persicus*) **prin**
*Gwybedog y Gwenyn (Bee-eater, *Merops apiaster*)

## Rholyddion
**Urdd**: Coraciiformes
**Teulu**: Coraciidae

*Rholydd (Roller, *Coracias garrulus*) **prin**

## Copog
**Urdd**: Coraciiformes
**Teulu**: Upupidae

*Copog (Hoopoe, *Upupa epops*)

## Cnocellau
200px|de|bawd|Cnocell Fraith Fwyaf
**Urdd**: Piciformes
**Teulu**: Picidae

*Pengam (Wryneck, *Jynx tranquila*)
*Cnocell Werdd (Green Woodpecker, *Picus viridis*)
*Sugnwr Bolfelyn (Yellow-bellied Sapsucker, *Sphyrapicus varius*) **prin**
*Cnocell Fraith Fwyaf (Great Spotted Woodpecker, *Dendrocopos major*)
*Cnocell Fraith Leiaf (Lesser Spotted Woodpecker, *Dendrocopos minor*)

## Teyrnwybedogion
**Urdd**: Passeriformes
**Teulu**: Tyrannidae

*Ffibi'r Dwyrain (Eastern Phoebe, *Sayornis phoebe*) **prin**

## Fireoau
**Urdd**: Passeriformes
**Teulu**: Vireonidae

*Fireo Melynfron (Yellow-throated Vireo, *Vireo flavifrons*) **prin**
*Fireo Philadelphia (Philadelphia Vireo, *Vireo philadelphicus*) **prin**
*Telor Llygatgoch, Fireo Llygatgoch (Red-eyed Vireo, *Vireo olivaceus*) **prin**

## Eurynnod
**Urdd**: Passeriformes
**Teulu**: Oriolidae

*Euryn (Golden Oriole, *Oriolus oriolus*)

## Cigyddion
200px|de|bawd|Cigydd Mawr
**Urdd**: Passeriformes
**Teulu**: Laniidae

*Cigydd Brown (Brown Shrike, *Lanius cristatus*) **prin**
*Cigydd Gwdw (Isabelline Shrike, *Lanius isabellinus*) **prin**
*Cigydd Cefngoch (Red-backed Shrike, *Lanius collurio*)
*Cigydd Cynffon-hir (Long-tailed Shrike, *Lanius schach*) **prin**
*Cigydd Glas (Lesser Grey Shrike, *Lanius minor*) **prin**
*Cigydd Mawr (Great Grey Shrike, *Lanius excubitor*)
*Cigydd Pengoch (Woodchat Shrike, *Lanius senator*)
*Cigydd Mygydog (Masked Shrike, *Lanius nubicus*) **prin**

## Brain
200px|de|bawd|Jac-y-do
**Urdd**: Passeriformes
**Teulu**: Corvidae

*Brân Goesgoch (Chough, *Pyrrhocorax pyrrhocorax*)
*Pioden (Magpie, *Pica pica*)
*Ysgrech y Coed neu Sgrech y Coed (Jay, *Garrulus glandarius*)
*Malwr Cnau (Nutcracker, *Nucifraga caryocatactes*) **prin**
*Jac-y-do (Jackdaw, *Corvus monedula*)
*Ydfran (Rook, *Corvus frugilegus*)
*Brân Dyddyn (Carrion Crow, *Corvus corone*)
*Brân Lwyd (Hooded Crow, *Corvus cornix*)
*Cigfran (Raven, *Corvus corax*)

## Drywod eurben
200px|de|bawd|Dryw Eurben
**Urdd**: Passeriformes
**Teulu**: Regulidae

*Dryw Eurben (Goldcrest, *Regulus regulus*)
*Dryw Fflamben (Firecrest, *Regulus ignicapilla*)

## Titwod pendil
**Urdd**: Passeriformes
**Teulu**: Remizidae

*Titw Pendil (Penduline Tit, *Remiz pendulinus*) **prin**

## Titwod
200px|de|bawd|Titw Tomos Las
**Urdd**: Passeriformes
**Teulu**: Paridae

*Titw Tomos Las (Blue Tit, *Cyanistes caeruleus*)
*Titw Mawr (Great Tit, *Parus major*)
*Titw Copog (Crested Tit, *Lophophanes cristatus*)
*Titw Penddu (Coal Tit, *Periparus ater*)
*Titw'r Helyg (Willow Tit, *Poecile montana*)
*Titw'r Wern (Marsh Tit, *Poecile palustris*)

## Titw Barfog
**Urdd**: Passeriformes
**Teulu**: Panuridae

*Titw Barfog (Bearded Tit, *Panurus biarmicus*)

## Ehedyddion
200px|de|bawd|Ehedydd
**Urdd**: Passeriformes
**Teulu**: Alaudidae

*Ehedydd Calandra (Calandra Lark, *Melanocorypha calandra*) **prin**
*Ehedydd Deufannog (Bimaculated Lark, *Melanocorypha bimaculata*) **prin**
*Ehedydd Asgell Wen (White-winged Lark, *Melanocorypha leucoptera*) **prin**
*Ehedydd Du (Black Lark, *Melanocorypha yeltoniensis*) **prin**
*Ehedydd Llwyd (Short-toed Lark, *Calandrella brachydactyla*)
*Ehedydd Llwyd Lleiaf (Lesser Short-toed Lark, *Calandrella rufescens*) **prin**
*Ehedydd Copog (Crested Lark, *Galerida cristata*) **prin**
*Ehedydd y Coed (Woodlark, *Lullula arborea*)
*Ehedydd (Skylark, *Alauda arvensis*)
*Ehedydd y Traeth (Shore Lark, *Eremophila alpestris*)

## Gwenoliaid
200px|de|bawd|Gwennol
**Urdd**: Passeriformes
**Teulu**: Hirundinidae

*Gwennol y Glennydd (Sand Martin, *Riparia riparia*)
*Gwennol y Coed (Tree Swallow, *Tachycineta bicolor*) **prin**
*Gwennol Borffor (Purple Martin, *Progne subis*) **prin**
*Gwennol y Clogwyn, Gwennol y Graig (Crag Martin, *Ptyonoprogne rupestris*) **prin**
*Gwennol (Swallow, *Hirundo rustica*)
*Gwennol y Bondo (House Martin, *Delichon urbicum*)
*Gwennol Dingoch (Red-rumped Swallow, *Cecropis daurica*)
*Gwennol y Dibyn (Cliff Swallow, *Petrochelidon pyrrhonota*) **prin**

## Teloriaid y llwyni
**Urdd**: Passeriformes
**Teulu**: Cettiidae

*Telor Cetti (Cetti's Warbler, *Cettia cetti*)

## Titwod cynffon-hir
**Urdd**: Passeriformes
**Teulu**: Aegithalidae

*Titw Cynffon-hir (Long-tailed Tit, *Aegithalos caudatus*)

## Teloriaid y dail
200px|de|bawd|Siff-saff
**Urdd**: Passeriformes
**Teulu**: Phylloscopidae

*Telor Coronog Dwyreiniol (Eastern Crowned Warbler, *Phylloscopus coronatus*) **prin**
*Telor Gwyrddlachar (Green Warbler, *Phylloscopus nitidus*) **prin**
*Telor Gwyrdd (Greenish Warbler, *Phylloscopus trochiloides*)
*Telor yr Arctig (Arctic Warbler, *Phylloscopus borealis*) **prin**
*Telor Pallas (Pallas's Warbler, *Phylloscopus proregulus*)
*Telor Aelfelen (Yellow-browed Warbler, *Phylloscopus inornatus*)
*Telor Radde (Radde's Warbler, *Phylloscopus schwarzi*)
*Telor Tywyll (Dusky Warbler, *Phylloscopus fuscatus*)
*Telor Bonelli'r Gorllewin (Western Bonelli's Warbler, *Phylloscopus bonelli*) **prin**
*Telor y Coed (Wood Warbler, *Phylloscopus sibalatrix*)
*Siff-saff (Chiffchaff, *Phylloscopus collybita*)
*Siff-saff Iberia (Iberian Chiffchaff, *Phylloscopus ibericus*) **prin**
*Telor yr Helyg (Willow Warbler, *Phylloscopus trochilus*)

## Teloriaid nodweddiadol
200px|de|bawd|Telor Dartford
**Urdd**: Passeriformes
**Teulu**: Sylviidae

*Telor Penddu (Blackcap, *Sylvia atricapilla*)
*Telor yr Ardd (Garden Warbler, *Sylvia borin*)
*Telor Rhesog (Barred Warbler, *Sylvia nisoria*)
*Llwydfron Fach (Lesser Whitethroat, *Sylvia curruca*)
*Telor Orffeaidd (Orphean Warbler, *Sylvia hortensis*) **prin**
*Telor Anialwch Asia (Asian Desert Warbler, *Sylvia nana*) **prin**
*Llwydfron (Whitethroat, *Sylvia communis*)
*Telor Sbectolog (Spectacled Warbler, *Sylvia conspicillata*) **prin**
*Telor Dartford (Dartford Warbler, *Sylvia undata*)
*Telor Marmora (Marmora's Warbler, *Sylvia sarda*) **prin**
*Telor Rüppell (Rüppell's Warbler. *Sylvia rueppelli*) **prin**
*Telor Brongoch (Subalpine Warbler, *Sylvia cantillans*)
*Telor Sardinia (Sardinian Warbler, *Sylvia melanocephala*) **prin**

## Teloriaid y gwair
**Urdd**: Passeriformes
**Teulu**: Locustellidae

*Troellwr Bach Pallas (Pallas's Grasshopper Warbler, *Locustella certhiola*) **prin**
*Troellwr Bach Rhesog, Telor Gwaywog (Lanceolated Warbler, *Locustella lanceolata*) **prin**
*Troellwr Bach, Telor y Gwair (Grasshopper Warbler, *Locustella naevia*)
*Telor yr Afon (River Warbler, *Locustella fluviatilis*) **prin**
*Telor Savi (Savi's Warbler, *Locustella luscinioides *) **prin**

## Teloriaid y cyrs
200px|de|bawd|Telor yr Hesg
**Urdd**: Passeriformes
**Teulu**: Acrocephalidae

*Telor Pigbraff (Thick-billed Warbler, *Iduna aedon*) **prin**
*Telor Bacsiog (Booted Warbler, *Iduna caligata*) **prin**
*Telor Sykes (Sykes's Warbler, *Iduna rama*) **prin**
*Telor Llwyd y Dwyrain (Eastern Olivaceous Warbler, *Iduna pallida*) **prin**
*Telor yr Olewydd, Telor Pren Olewydd (*Olive-tree Warbler, *Hippolais olivetorum*) **prin**
*Telor Aur (Icterine Warbler, *Hippolais icterina*)
*Telor Pêr (Melodious Warbler, *Hippolais polyglotta*)
*Telor y Dŵr (Aquatic Warbler, *Acrocephalus paludicola*)
*Telor yr Hesg (Sedge Warbler, *Acrocephalus schoenobaenus*)
*Telor y Caeau Reis (Paddyfield Warbler, *Acrocephalus agricola'') **prin**
*Telor y Cyrs Blyth (Blyth's Reed Warbler, *Acrocephalus dumetorum*) **prin**
*Telor y Gwerni (Marsh Warbler, *Acrocephalus palustris*)
*Telor y Cyrs (Reed Warbler, *Acrocephalus scirpaceus*)
*Telor Mawr y Cyrs (Great Reed Warbler, *Acrocephalus arundinaceus*) **prin**

## Teloriaid cynffon wyntyll
**Urdd**: Passeriformes
**Teulu**: Cisticolidae

*Telor Cynffon Wyntyll, Telor Cynffondaen (Fan-tailed Warbler, *Cisticola juncidis*) **prin**

## Cynffonau sidan
200px|de|bawd|Cynffonau Sidan
**Urdd**: Passeriformes
**Teulu**: Bombycillidae

*Cynffon Sidan y Cedrwydd (Cedar Waxwing, *Bombycilla cedrorum*) **prin**
*Cynffon Sidan (Waxwing, *Bombycilla garrulus*)

## Dringwr y Muriau
**Urdd**: Passeriformes
**Teulu**: Tichodromadidae

*Dringwr y Muriau (Wallcreeper, *Tichodroma muraria*) **prin**

## Deloriaid
**Urdd**: Passeriformes
**Teulu**: Sittidae

*Delor Brongoch y Cnau (Red-breasted Nuthatch, *Sitta canadensis*) **prin**
*Delor y Cnau (Nuthatch, *Sitta europaea*)

## Dringwyr bach
200px|de|bawd|Dringwr Bach
**Urdd**: Passeriformes
**Teulu**: Certhidae

*Dringwr Bach (Treecreeper, *Certhia familiaris*)
*Dringwr Bach Bodiau Cwta (Short-toed Treecreeper, *Certhia brachydactyla*) **prin**

## Drywod
**Urdd**: Passeriformes
**Teulu**: Troglodytidae

*Dryw (Wren, *Troglodytes troglodytes*)

## Adar gwatwar
**Urdd**: Passeriformes
**Teulu**: Mimidae

*Dynwaredwr Gogleddol (Northern Mockingbird, *Mimus polyglottos*) **prin**
*Tresglen Gynffonhir (Brown Thrasher, *Toxostoma rufum*) **prin**
*Cath-aderyn Llwyd (Grey Catbird, *Dumetella carolinensis*) **prin**

## Drudwennod
200px|de|bawd|Drudwen
**Urdd**: Passeriformes
**Teulu**: Sturnidae

*Drudwen neu Aderyn yr Eira, Drudwy (Starling, *Sturnus vulgaris*)
*Drudwen Wridog (Rose-coloured Starling, *Sturnus roseus*)

## Bronwennod y dŵr
**Urdd**: Passeriformes
**Teulu**: Cinclidae

*Bronwen y Dŵr (Dipper, *Cinclus cinclus*)

## Bronfreithod
200px|de|bawd|Bronfraith
**Urdd**: Passeriformes
**Teulu**: Turdidae

*Brych White (White's Thrush, *Zoothera dauma*) **prin**
*Brych Amrywiol (Varied Thrush, *Ixoreus naevius*) **prin**
*Brych y Goedwig (Wood Thrush, *Hylocochla mustelina*) **prin**
*Brych Meudwy, Bronfraith Unig (Hermit Thrush, *Catharus guttatus*) **prin**
*Corfronfraith (Swainson's Thrush, *Catharus ustulatus*) **prin**
*Bronfraith Fochlwyd (Grey-cheeked Thrush, *Catharus minimus*) **prin**
*Brych Llwyd Bach (Veery, *Catharus fuscescens*) **prin**
*Brych Siberia (Siberian Thrush, *Geokichla sibirica*) **prin**
*Mwyalchen y Mynydd (Ring Ouzel, *Turdus torquatus*)
*Mwyalchen neu Aderyn Du (Blackbird, *Turdus merula*)
*Brych Aeliog (Eye-browed Thrush, *Turdus obscurus*) **prin**
*Brych Tywyll (Dusky Thrush, *Turdus eunomus*) **prin**
*Brych Naumann (Naumann's Thrush, *Turdus naumanni*) **prin**
*Brych Gyddfddu (Black-throated Thrush, *Turdus atrogularis*) **prin**
*Brych Gyddfgoch (Red-throated Thrush, *Turdus ruficollis*) **prin**
*Socan Eira (Fieldfare, *Turdus pilaris*)
*Bronfraith (Song Thrush, *Turdus philomelos*)
*Coch Dan-aden, Coch Dan Adain (Redwing, *Turdus iliacus*)
*Brych y Coed, Tresglen (Mistle Thrush, *Turdus viscivorus*)
*Robin America (American Robin, *Turdus viscivorus*) **prin**

## Gwybedogion a chlochdarod
200px|de|bawd|Robin Goch
200px|de|bawd|Gwybedog Brith
**Urdd**: Passeriformes
**Teulu**: Muscicapidae

*Robin Gynffon-goch (Rufous-tailed Scrub-Robin, *Cercotrichas galactotes*) **prin**
*Gwybedog Brown Asia (Asian Brown Flycatcher, *Muscicapa dauurica*) **prin**
*Gwybedog Mannog (Spotted Flycatcher, *Muscicapa striata*)
*Robin Goch (Robin, *Erithacus rubecula*)
*Robin Glas Siberia (Siberian Blue Robin, *Larvivora cyane*) **prin**
*Robin Swinhoe (Rufous-tailed Robin, *Larvivora sibilans*) **prin**
*Gyddfgoch Siberia (Siberian Rubythroat, *Larvivora calliope*) **prin**
*Robin Gyddfwyn (White-throated Robin, *Irania gutturalis*) **prin**
*Cynffonlas Ystlysgoch (Red-flanked Bluetail, *Tarsiger cyanurus*) **prin**
*Eos Fronfraith neu Eos Fraith (Thrush Nightingale, *Luscinia luscinia*) **prin**
*Eos (Nightingale, *Luscinia megarhynchos*)
*Bronlas  (Bluethroat, *Luscinia svecica*)
*Gwybedog Brongoch (Red-breasted Flycatcher, *Ficedula parva*)
*Gwybedog Brongoch y Taiga (Taiga Flycatcher, *Ficedula albicilla*) **prin**
*Gwybedog Torchog (Collared Flycatcher, *Ficedula albicollis*) **prin**
*Gwybedog Brith (Pied Flycatcher, *Ficedula hypoleuca*)
*Tingoch Du (Black Redstart, *Phoenicurus ochruros*)
*Tingoch (Redstart, *Phoenicurus phoenicurus*)
*Tingoch Moussier (Moussier's Redstart, *Phoenicurus moussieri*) **prin**
*Bronfraith y Graig, Brych y Graig (Rock Thrush, *Monticola saxatilis*) **prin**
*Bronfraith Las y Graig, Brych Glas y Graig (Blue Rock Thrush, *Monticola solitarius*) **prin**
*Crec yr Eithin (Whinchat, *Saxicola rubetra*)
*Clochdar y Cerrig (Stonechat, *Saxicola rubicola*)
*Tinwen Isabella (Isabelline Wheatear, *Oenanthe isabellina*) **prin**
*Tinwen y Garn (Wheatear, *Oenanthe oenanthe*)
*Tinwen Fraith (Pied Wheatear, *Oenanthe pleschanka*) **prin**
*Tinwen Glustiog Ddu, Tinwen Glustddu (Black-eared Wheatear, *Oenanthe hispanica*) **prin**
*Tinwen y Diffeithwch (Desert Wheatear, *Oenanthe deserti*) **prin**
*Tinwen Ddu Goron-wen (White-crowned Wheatear, *Oenanthe leucopyga*) **prin**

## Llwydiaid
200px|de|bawd|Llwyd y Gwrych
**Urdd**: Passeriformes
**Teulu**: Prunellidae

*Llwyd y Gwrych (Dunnock, *Prunella modularis*)
*Llwyd y Mynydd (Alpine Accentor, *Prunella collaris*) **prin**

## Golfanod
**Urdd**: Passeriformes
**Teulu**: Passeridae

*Aderyn y To (House Sparrow, *Passer domesticus*)
*Golfan Sbaen (Spanish Sparrow, *Passer hispaniolensis*) **prin**
*Golfan y Mynydd (Tree Sparrow, *Passer montanus*)
*Golfan y Graig (Rock Sparrow, *Petronia petronia*) **prin**

## Corhedyddion a siglennod
200px|de|bawd|Siglen Fraith
**Urdd**: Passeriformes
**Teulu**: Motacillidae

*Siglen Felen (Yellow Wagtail, *Motacilla flava*)
*Siglen Sitraidd (Citrine Wagtail, *Motacilla citreola*) **prin**
*Siglen Lwyd (Grey Wagtail, *Motacilla cinerea*)
*Siglen Fraith (Pied Wagtail, *Motacilla alba*)
*Corhedydd Richard (Richard's Pipit, *Anthus richardi*)
*Corhedydd Blyth (Blyth's Pipit, *Anthus godlewskii*) **prin**
*Corhedydd Melyn (Tawny Pipit, *Anthus campestris*)
*Corhedydd Gwyrddgefn (Olive-backed Pipit, *Anthus hodgsoni*) **prin**
*Corhedydd y Coed (Tree Pipit, *Anthus trivialis*)
*Corhedydd Pechora (Pechora Pipit, *Anthus gustavi*) **prin**
*Corhedydd y Waun (Meadow Pipit, *Anthus pratensis*)
*Corhedydd Gyddfgoch (Red-throated Pipit, *Anthus cervinus*)
*Corhedydd y Graig (Rock Pipit, *Anthus petrosus*)
*Corhedydd y Dŵr (Water Pipit, *Anthus spinoletta*)
*Corhedydd Melynllwyd (Buff-bellied Pipit, *Anthus rubescens*) **prin**

## Llinosiaid neu bincod
200px|de|bawd|Ji-binc
200px|de|bawd|Nico
**Urdd**: Passeriformes
**Teulu**: Fringillidae

*Ji-binc neu Asgell Fraith (Chaffinch, *Fringilla coelebs*)
*Pinc y Mynydd (Brambling, *Fringilla montifringilla*)
*Llinos Frech (Serin, *Serinus serinus*)
*Llinos Werdd (Greenfinch, *Chloris chloris*)
*Llinos Sitron, Serin Sitron (Citril Finch, *Carduelis citrinella*) **prin**
*Nico (Goldfinch, *Carduelis carduelis*)
*Pila Gwyrdd (Siskin, *Carduelis spinus*)
*Llinos (Linnet, *Carduelis cannabina*)
*Llinos y Mynydd (Twite, *Carduelis flavirostris*)
*Llinos Bengoch Leiaf (Lesser Redpoll, *Carduelis cabaret*)
*Llinos Bengoch Gyffredin (Common Redpoll, *Carduelis flammea*)
*Llinos Bengoch yr Arctig (Arctic Redpoll, *Carduelis hornemanni*)
*Croesbig Wenaden, Croesbig Adeinwen (Two-barred Crossbill, *Loxia leucoptera*) **prin**
*Gylfin Groes (Crossbill, *Loxia curvirostris*)
*Croesbig yr Alban, Cambig yr Alban (Scottish Crossbill, *Loxia scoticus*)
*Croesbig Fawr (Parrot Crossbill, *Loxia pytyopsittacus*)
*Llinos Utgorn (Trumpeter Finch, *Bucanetes githagineus*) **prin**
*Llinos Goch (Common Rosefinch, *Carpodacus erythrinus*)
*Tewbig y Pinwydd (Pine Grosbeak, *Pinicola enucleator*) **prin**
*Coch y Berllan (Bullfinch, *Pyrrhula pyrrhula*)
*Gylfinbraff (Hawfinch, *Coccothraustes coccothraustes*)
*Tewbig y Cyfnos (Evening Grosbeak, *Hesperiphona vespertina*) **prin**

## Breision y gogledd
200px|de|bawd|Bras yr Eira
**Urdd**: Passeriformes
**Teulu**: Calcariidae

*Bras yr Eira (Snow Bunting, *Plectrophenax nivalis*)
*Bras y Gogledd (Lapland Bunting, *Calcarius lapponicus*)

## Cardinaliaid
**Urdd**: Passeriformes
**Teulu**: Cardinalidae

*Euryn yr Haf, Tanagr yr Haf (Summer Tanager, *Piranga rubra*) **prin**
*Tanagr Coch (Scarlet Tanager, *Piranga olivacea*) **prin**
*Gylfindew Brongoch (Rose-breasted Grosbeak, *Pheucticus ludovicianus*) **prin**
*Bras Dulas (Indigo Bunting, *Passerina cyanea*) **prin**

## Breision a golfanod Americanaidd
200px|de|bawd|Bras Melyn
200px|de|bawd|Bras y Cyrs
**Urdd**: Passeriformes
**Teulu**: Emberizidae

*Towhî Ystlys-goch (Eastern Towhee, *Pipilo erythrophthalmus*) **prin**
*Golfan-ehedydd (Lark Sparrow, *Chondestes grammacus*) **prin**
*Golfan Savannah (Savannah Sparrow, *Passerculus sandwichensis*) **prin**
*Golfan Bersain, Llwyd Persain (Song Sparrow, *Melospiza melodia*) **prin**
*Golfan Gorun-gwyn (White-crowned Sparrow, *Zonotrichia leucophrys*) **prin**
*Golfan Yddfwyn, Llwyd Gyddfwyn  (White-throated Sparrow, *Zonotrichia albicollis*) **prin**
*Jynco Llygeitu (Dark-eyed Junco, *Junco hyemalis*) **prin**
*Bras Wynepddu (Black-faced Bunting, *Emberiza spodocephala*) **prin**
*Bras y Pin (Pine Bunting, *Emberiza leucocephalos*) **prin**
*Bras Melyn, Melyn yr Eithin (Yellowhammer, *Emberiza citrinella*)
*Bras Ffrainc (Cirl Bunting, *Emberiza cirlus*)
*Bras y Graig (Rock Bunting, *Emberiza cia*) **prin**
*Bras y Gerddi (Ortolan Bunting, *Emberiza hortulana*)
*Bras Cretzschmar (Cretzschmar's Bunting, *Emberiza caesia*) **prin**
*Bras Aelfelen (Yellow-browed Bunting, *Emberiza chrysophrys*) **prin**
*Bras Gwledig (Rustic Bunting, *Emberiza rustica*)
*Bras Clustgoch (Chestnut-eared Bunting, *Emberiza fucata*) **prin**
*Bras Lleiaf (Little Bunting, *Emberiza pusilla*)
*Bras Bronfelen (Yellow-breasted Bunting, *Emberiza aureola*) **prin**
*Bras y Cyrs (Reed Bunting, *Emberiza schoeniclus*)
*Bras Pallas (Pallas's Reed Bunting, *Emberiza pallasi*) **prin**
*Bras Penddu (Black-headed Bunting, *Emberiza melanocephala*) **prin**
*Bras yr Ŷd (Corn Bunting, *Emberiza calandra*)

## Eurynnod Americanaidd a mwyeilch Americanaidd
**Urdd**: Passeriformes
**Teulu**: Icteridae

*Bobolinc (Bobolink, *Dolichonyx oryzivorus*) **prin**
*Tresglen y Gwartheg (Brown-headed Cowbird, *Molothrus ater*) **prin**
*Euryn Baltimore (Baltimore Oriole, *Icterus galbula*) **prin**

## Teloriaid Americanaidd
200px|de|bawd|Telor Tin-felen
**Urdd**: Passeriformes
**Teulu**: Parulidae

*Aderyn Ffwrn (Ovenbird, *Sieurus aurocapilla*) **prin**
*Brych Dŵr y Gogledd (Northern Waterthrush, *Parkesia noveboracensis*) **prin**
*Telor Adeinaur (Golden-winged Warbler, *Vermivora chrysoptera*) **prin**
*Telor Brith (Black-and-white Warbler, *Mniotilta varia*) **prin**
*Telor Tennessee (Tennessee Warbler, *Oreothlypis peregrina*) **prin**
*Gyddf-felyn (Common Yellowthroat, *Geothlypis trichas*) **prin**
*Telor Cycyllog (Hooded Warbler, *Setophaga citrina*) **prin**
*Tingoch America (American Redstart, *Setophaga ruticilla*) **prin**
*Telor Bronfraith (Cape May Warbler, *Setophaga tigrina*) **prin**
*Pariwla'r Gogledd (Northern Parula, *Setophaga americana*) **prin**
*Telor Magnolia (Magnolia Warbler, *Setophaga magnolia*) **prin**
*Telor Bronwinau (Bay-breasted Warbler, *Setophaga castanea*) **prin**
*Telor Blackburn (Blackburnian Warbler, *Setophaga fusca*) **prin**
*Telor Melyn (Yellow Warbler, *Setophaga petechia*) **prin**
*Telor Ystlys-winau (Chestnut-sided Warbler, *Setophaga pensylvanica*) **prin**
*Telor Tinwen (Blackpoll Warbler, *Setophaga striata*) **prin**
*Telor Tin-felen (Yellow-rumped Warbler, *Setophaga coronata*) **prin**
*Telor Wilson (Wilson's Warbler, *Cardellina pusilla*) **prin**

## Gweler hefyd
* Rhestr adar Cymru

## Cyfeiriadau
### Cyffredinol
### Enwau Cymraeg
*Avionary
*Cymdeithas Edward Llwyd (1994) *Creaduriaid Asgwrn-cefn*. Gwasg y Lolfa, Talybont. ISBN 0952226405
*Hayman, Peter a Rob Hume (2004) *Llyfr Adar Iolo Williams*. Gwasg Carreg Gwalch, Pwllheli. ISBN 0863819079
*Hope Jones, Peter ac Edward Breeze Jones (1973) *Rhestr o Adar Cymru*. Amgueddfa Genedlaethol Cymru, Caerdydd. ISBN 0720000378
*Hope Jones, Peter a Paul Whalley (2004) *Adar Môn*, Menter Môn, Llangefni.
*Lewis, Dewi E (1994) *Enwau Adar*. Gwasg Carreg Gwalch, Llanrwst. ISBN 0863812783
*Lewis, Dewi E (2006) *Rhagor o Enwau Adar*. Gwasg Carreg Gwalch, Llanrwst.
*Lovegrove, Roger; Graham Williams a Iolo Williams (1994) *Birds in Wales*. T & AD Poyser Ltd, Llundain. ISBN 0856610690

## Dolenni allanol
*  British Birds Rarities Committee 
*  British Ornithologists' Union 

Adar Prydain
*
Categori:Adareg