# Rhestr adar Cymru

**Rhestr adar Cymru** yn eu trefn dacsonomegol. Mae'r drefn a'r enwau gwyddonol yn dilyn y *British Ornithologist's Union (BOU)*. Mae **P** yn dynodi rhywogaethau sy'n brin ym Mhrydain ac mae **C** yn dynodi rhywogaethau sy'n brin yng Nghymru.

| Cynnwys
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Elyrch, gwyddau a hwyaid •
Grugieir •
Petris a ffesantod •
Trochyddion •
Albatrosiaid •
Adar drycin a phedrynnod •
Pedrynnod drycin •
Adar trofannol •
Huganod •
Mulfrain •
Adar ffrigad •
Crehyrod •
Ciconiaid •
Crymanbigau a llwybigau •
Gwyachod •
Eryrod a gweilch •
Gwalch y Pysgod •
Hebogiaid •
Rhegennod •
Garanod •
Ceiliogod y waun •
Piod môr •
Cambigau ac hirgoesau •
Rhedwyr y moelydd •
Rhedwyr y twyni a chwtiadwenoliaid •
Cwtiaid •
Pibyddion •
Adar llydandroed •
Sgiwennod •
Gwylanod •
Môr-wenoliaid •
Carfilod •
Ieir y diffeithwch •
Colomennod •
Parotiaid •
Cogau •
Tylluanod gwynion •
Tylluanod •
Troellwyr •
Gwenoliaid duon •
Gleision y dorlan •
Gwybedogion y gwenyn •
Rholyddion •
Copog •
Cnocellod

 |
|
Teyrnwybedogion •
Fireoau •
Eurynnod •
Cigyddion •
Brain •
Drywod eurben •
Titwod pendil •
Titwod •
Titw Barfog •
Ehedyddion •
Gwenoliaid •
Teloriaid y llwyni •
Titwod cynffon-hir •
Teloriaid y dail •
Teloriaid nodweddiadol •
Teloriaid y gwair •
Teloriaid y cyrs •
Teloriaid cynffon wyntyll •
Cynffonau sidan •
Dringwr y Muriau •
Deloriaid •
Dringwyr bach •
Drywod •
Adar gwatwar •
Drudwennod •
Bronwennod y dŵr •
Bronfreithod •
Gwybedogion a chlochdarod •
Llwydiaid •
Golfanod •
Corhedyddion a siglennod •
Llinosiaid •
Breision y gogledd •
Cardinaliaid •
Breision a golfanod Americanaidd •
Eurynnod Americanaidd a mwyeilch Americanaidd •
Teloriaid Americanaidd

 |
| **Gweler hefydCyfeiriadauDolenni allanol** |

## Elyrch, gwyddau a hwyaid

Elyrch dof
Gwyddau llwydion
Hwyaden fwythblu
Hwyaden wyllt
**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 asgell-las, Blue-winged teal, *Anas discors* **P Corhwyaden asgellwerdd, Green-winged teal, *Anas carolinensis* **C Chwiwell, Wigeon, *Anas penelope*
* Chwiwell America, American wigeon, *Anas americana* **C Gŵydd Canada, Canada goose, *Branta canadensis*
* Gŵydd dalcenwen, White-fronted goose, *Anser albifrons*
* Gŵydd dalcenwen fechan, Lesser white-fronted goose, *Anser erythropus* **P Gŵydd droedbinc, Pink-footed goose, *Anser brachyrhynchus*
* Gŵydd ddu, Brent goose, *Branta bernicla*
* Gŵydd frongoch, Red-breasted goose, *Branta ruficollis* **P Gŵydd lwyd, Greylag goose, *Anser anser*
* Gŵydd wyran, Barnacle goose, *Branta leucopsis*
* Gŵydd y llafur, Bean goose, *Anser fabalis* **C Gŵydd yr Aifft, Egyptian goose, *Alopochen aegyptiaca*
* Hwyaden addfain, Garganey, *Anas querquedula*
* Hwyaden benddu, Scaup, *Aythya marila*
* Hwyaden benddu fechan, Lesser scaup, *Aythya affinis* **P Hwyaden bengoch, Pochard, *Aythya ferina*
* Hwyaden dorchog, Ring-necked duck, *Aythya collaris* **C Hwyaden ddanheddog, Goosander, *Mergus merganser*
* Hwyaden ddu, Black duck, *Anas rubripes* **P Hwyaden frongoch, Red-breasted merganser, *Mergus serrator*
* Hwyaden fwythblu, Eider, *Somateria mollissima*
* Hwyaden fwythblu'r Gogledd, King eider, *Somateria spectabilis* **P Hwyaden goch, Ruddy duck, *Oxyura jamaicensis*
* Hwyaden goch yr eithin, Ruddy shelduck, *Tadorna ferruginea* **P Hwyaden gopog, Tufted duck, *Aythya fuligula*
* Hwyaden gribgoch, Red-crested pochard, *Netta rufina*
* Hwyaden gribog, Mandarin duck, *Aix galericulata*
* Hwyaden gynffonhir, 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 lygadwen, Ferruginous duck, *Aythya nyroca* **C Hwyaden wyllt, Mallard, *Anas platyrhynchos*
* Hwyaden yr eithin, Shelduck, *Tadorna tadorna*
* Lleian wen, Smew, *Mergellus albellus*
* Môr-hwyaden America, Black scoter, *Melanitta americana* **P Môr-hwyaden ddu, Common scoter, *Melanitta nigra*
* Môr-hwyaden y Gogledd, Velvet scoter, *Melanitta fusca*
* Môr-hwyaden yr ewyn, Surf scoter, *Melanitta perspicillata* **C**

## Grugieir

Grugiar goch
**Urdd**: Galliformes
**Teulu**: Tetraonidae

* Grugiar ddu, Black grouse, *Tetrao tetrix*
* Grugiar goch, Red grouse, *Lagopus lagopus scotica*

## Petris a ffesantod

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* **C Trochydd y Môr Tawel, Pacific diver, *Gavia pacifica* **P**

## Albatrosiaid

**Urdd**: Procellariiformes
**Teulu**: Diomedeidae

* Albatros aelddu, Black-browed albatross, *Thalassarche melanophris* **P**

## Adar drycin a phedrynnod

Aderyn drycin y graig
**Urdd**: Procellariiformes
**Teulu**: Procellariidae

* Aderyn drycin bach, Macaronesian shearwater, *Puffinus baroli* **P Aderyn drycin Balearig, Balearic shearwater, *Puffinus mauretanicus*
* Aderyn drycin Cory, Cory's shearwater, *Calonectris diomedea* **C Aderyn drycin du, Sooty shearwater, *Puffinus griseus*
* Aderyn drycin Manaw, Manx shearwater, *Puffinus puffinus*
* Aderyn drycin mawr, Great shearwater, *Puffinus gravis* **C Aderyn drycin y graig, Fulmar, *Fulmarus glacialis*

## Pedrynnod drycin

Pedryn drycin. Mae'n nythu ar nifer o ynysoedd Cymru.
**Urdd**: Procellariiformes
**Teulu**: Hydrobatidae

* Pedryn drycin, Storm petrel, *Hydrobates pelagicus*
* Pedryn drycin Leach, Leach's storm petrel, *Oceanodroma leucorhoa*
* Pedryn drycin Wilson, Wilson's storm petrel, *Oceanites oceanicus* **C**

## Huganod

Hugan
**Urdd**: Pelecaniformes
**Teulu**: Sulidae

* Hugan, Gannet, *Morus bassanus*

## Mulfrain

Mulfran
**Urdd**: Pelecaniformes
**Teulu**: Phalacrocoracidae

* Mulfran, Cormorant, *Phalacrocorax carbo*
* Mulfran werdd, Shag, *Phalacrocorax aristotelis*

## Crehyrod

Crëyr bach
**Urdd**: Ciconiiformes
**Teulu**: Ardeidae

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

## Ciconiaid

**Urdd**: Ciconiiformes
**Teulu**: Ciconiidae

* Ciconia du, Black stork, *Ciconia nigra* **P Ciconia gwyn, White stork, *Ciconia ciconia* **C**

## Crymanbigau a llwybigau

**Urdd**: Ciconiiformes
**Teulu**: Threskiornithidae

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

## Gwyachod

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 yddfddu, Black-necked grebe, *Podiceps nigricollis*
* Gwyach yddfgoch, Red-necked grebe, *Podiceps grisegena*
* Gwyach ylfinfraith, Pied-billed grebe, *Podilymbus podiceps* **P**

## Eryrod a gweilch

Barcud Coch
**Urdd**: Falconiformes
**Teulu**: Accipitridae

* Barcud coch, Red kite, *Milvus milvus*
* Barcud du, Black kite, *Milvus migrans* **C Boda bacsiog, Rough-legged buzzard, *Buteo lagopus* **C Boda gwerni, Marsh harrier, *Circus aeruginosus*
* Boda mêl, Honey buzzard, *Pernis apivorus*
* Boda Montagu, Montagu's harrier, *Circus pygargus* **C Boda tinwyn, Hen harrier, *Circus cyaneus*
* Bwncath, Buzzard, *Buteo buteo*
* Eryr euraid, Golden eagle, *Aquila chrysaetos* **C Eryr môr, White-tailed eagle, *Haliaaetus albicilla* **C Gwalch glas, Sparrowhawk, *Accipiter nisus*
* Gwalch Marthin, Goshawk, *Accipiter gentilis*

## Gwalch y pysgod

**Urdd**: Falconiformes
**Teulu**: Pandionidae

* Gwalch y pysgod, Osprey, *Pandion haliaetus*

## Hebogiaid

Hebog Tramor
**Urdd**: Falconiformes
**Teulu**: Falconidae

* Cudyll Coch (Kestrel, *Falco tinnunculus*)
* Cudyll Troetgoch, Cudyll Troedgoch (Red-footed Falcon, *Falco vespertinus*) **C Cudyll Bach (Merlin, *Falco columbarius*)
* Hebog yr Ehedydd (Hobby, *Falco subbuteo*)
* Hebog y Gogledd (Gyr Falcon, *Falco rusticolus*) **P Hebog tramor, Peregrine Falcon, *Falco peregrinus*

## Rhegennod

**Urdd**: Gruiformes
**Teulu**: Rallidae

* Cwtiar, Coot, *Fulica atra*
* Iâr ddŵr, Moorhen, *Gallinula chloropus*
* Rhegen Baillon, Baillon's crake, *Porzana pusilla* **P Rhegen dŵr, Water rail, *Rallus aquaticus*
* Rhegen fach, Little crake, *Porzana parva* **P Rhegen fraith, Spotted crake, *Porzana porzana* **C Rhegen sora, Sora, *Porzana carolina* **P Rhegen yr ŷd, Corn crake, *Crex crex* **C**

## Garanod

Garan
**Urdd**: Gruiformes
**Teulu**: Gruidae

* Garan (Crane, *Grus grus*) **C**

## Ceiliogod y waun

**Urdd**: Gruiformes
**Teulu**: Otididae

* Ceiliog y Waun Lleiaf (Little Bustard, *Tetrax tetrax*) **P Ceiliog y Waun (Great Bustard, *Otis tarda*) **P**

## Piod môr

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*) **P Cambig (Avocet, *Recurvirostra avosetta*)

## Rhedwyr y moelydd

**Urdd**: Charadriiformes
**Teulu**: Burhinidae

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

## Rhedwyr y twyni a chwtiadwenoliaid

**Urdd**: Charadriiformes
**Teulu**: Glareolidae

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

## Cwtiaid

Cwtiad torchog
**Urdd**: Charadriiformes
**Teulu**: Charadriidae

* Cornchwiglen, Lapwing, *Vanellus vanellus*
* Cwtiad aur, Golden plover, *Pluvialis apricaria*
* Cwtiad Caint, Kentish plover, *Charadrius alexandrinus* **C Cwtiad llwyd, Grey plover, *Pluvialis squatarola*
* Cwtiad torchog, Ringed plover, *Charadrius hiaticula*
* Cwtiad torchog bach, Little ringed plover, *Charadrius dubius*
* Cwtiad torchog mawr, Killdeer, *Charadrius vociferus* **P Cwtiad tywod mawr, Greater sand plover, *Charadrius leschenaultii* **P Corgwtiad Aur (American Golden Plover, *Pluvialis dominica*) **C Corgwtiad y Môr Tawel (Pacific Golden Plover, *Pluvialis fulva*) **P Cornchwiglen Heidiol, Cwtiad Heidiol (Sociable Lapwing, *Vanellus gregarius*) **P Hutan y Mynydd (Dotterel, *Charadrius morinellus*)

## Pibyddion

Cwtiad y traeth
Gïach cyffredin
Gylfinir
Pibydd y dorlan
Pibydd y tywod
**Urdd**: Charadriiformes
**Teulu**: Scolopacidae

* Coegylfinir bach, Little curlew, *Numenius minutus* **P Coegylfinir Hudson, Hudsonian whimbrel, *Numenius hudsonicus* **P Coegylfinir, Whimbrel, *Numenius phaeopus*
* Cwtiad y traeth, Turnstone, *Arenaria interpres*
* Cyffylog, Woodcock, *Scolopax rusticola*
* Gïach bach, Jack snipe, *Lymnocryptes minimus*
* Gïach cyffredin, Snipe, *Gallinago gallinago*
* Gïach gylfinhir Long-billed dowitcher, *Limnodromus scolopaceus* **P Gïach mawr, Great snipe, *Gallinago minima* **P Gylfinir, Curlew, *Numenius arquata*
* Melyngoes bach, Lesser yellowlegs, *Tringa flavipes* **P Melyngoes mawr, Greater yellowlegs, *Tringa melanoleuca* **P Pibydd bach, Little stint, *Calidris minuta*
* Pibydd Baird, Baird's sandpiper, *Calidris bairdii* **P Pibydd bronllwyd, Buff-breasted sandpiper, *Tryngites subruficollis* **C Pibydd brych, Spotted sandpiper, *Actitis macularius* **P Pibydd bychan, Least sandpiper, *Calidris minutilla* **P Pibydd cain, Pectoral sandpiper, *Calidris melanotos* **C Pibydd cambig, Curlew sandpiper, *Calidirs ferruginea*
* Pibydd coesgoch, Redshank, *Tringa totanus*
* Pibydd coesgoch mannog, Spotted tedshank, *Tringa erythropus*
* Pibydd coeswerdd, Greenshank, *Tringa nebularia*
* Pibydd cynffonfain, Sharp-tailed sandpiper, *Calidris acuminata* **P Pibydd cynffonhir, Upland sandpiper, *Bartramia longicauda* **P Pibydd cynffonlwyd, Grey-tailed tattler, *Heteroscelus brevipes* **P Pibydd du, Purple sandpiper, *Calidris maritima*
* Pibydd gwyrdd, Green sandpiper, *Tringa ochropus*
* Pibydd hirgoes, Stilt sandpiper, *Calidris himantopus* **P Pibydd llwyd, Semipalmated sandpiper, *Calidris pusilla* **P Pibydd llydanbig, Broad-billed sandpiper, *Limicola falcinellus* **P Pibydd Temminck, Temminck's stint, *Calidris temminckii* **C Pibydd tinwen, White-rumped sandpiper, *Calidris fuscicollis* **C Pibydd torchog, Ruff, *Philomachus pugnax*
* Pibydd Terek, Terek sandpiper, *Xenus cinerea* **P Pibydd y dorlan, Common sandpiper, *Actitis hypoleucos*
* Pibydd y gors, Marsh sandpiper, *Tringa stagnatilis* **P 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 gynffonfrith, Bar-tailed godwit, *Limosa lapponica*

## Adar llydandroed

**Urdd**: Charadriiformes
**Teulu**: Phalaropidae

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

## Sgiwennod

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

Gwylan Benddu
Gwylan Gefnddu Leiaf
**Urdd**: Charadriiformes
**Teulu**: Laridae

* Gwylan Ifori (Ivory Gull, *Pagophila eburnea*) **P Gwylan Sabine (Sabine's Gull, *Xema sabini*)
* Gwylan Goesddu (Kittiwake, *Rissa tridactyla*)
* Gwylan Bonaparte (Bonaparte's Gull, *Chroicocephalus philadelphia*) **P Gwylan Benddu (Black-headed Gull, *Chroicocephalus ridibundus*)
* Gwylan Fechan (Little Gull, *Hydrocoloeus minutus*)
* Gwylan Ross (Ross's Gull, *Rhodostethia rosea*) **P Gwylan Chwerthinog (Laughing Gull, *Larus atricilla*) **P Gwylan Franklin (Franklin's Gull, *Larus pipixcan*) **P Gwylan Môr y Canoldir (Mediterranean Gull, *Larus melanocephalus*)
* 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 yr Arctig (Iceland Gull, *Larus glaucoides*)
* Gwylan Adeinlwydlas (Glaucous-winged Gull, *Larus glaucescens*) '**P Gwylan y Gogledd (Glaucous Gull, *Larus hyperboreus*)
* Gwylan Gefnddu Fwyaf (Great Black-backed Gull, *Larus marinus*)

## Môr-wenoliaid

Môr-wennol y Gogledd
**Urdd**: Charadriiformes
**Teulu**: Sternidae

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

## Carfilod

Pâl
**Urdd**: Charadriiformes
**Teulu**: Alcidae

* Gwylog neu Heligog (Guillemot, *Uria aalge*)
* Llurs, Gwalch y Pysgod (Razorbill, *Alca torda*)
* Gwylog Ddu (Black Guillemot, *Cepphus grylle*)
* Carfil Bach (Little Auk, *Alle alle*)
* Pâl, Aderyn Pâl (Puffin, *Fratercula arctica*)

## Ieir y diffeithwch

**Urdd**: Pteroclidiformes
**Teulu**: Pteroclididae

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

## Colomennod

Ysguthan
**Urdd**: Columbiformes
**Teulu**: Columbidae

* Colomen y 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*)

## Parotiaid

**Urdd**: Psittaciformes
**Teulu**: Psittacidae

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

## Cogau

Cog
**Urdd**: Cuculiformes
**Teulu**: Cuculidae

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

## Tylluanod gwynion

**Urdd**: Strigiformes
**Teulu**: Tytonidae

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

## Tylluanod

Tylluanod Brych ifainc
**Urdd**: Strigiformes
**Teulu**: Strigidae

* Tylluan Scops (Scops Owl, *Otus scops*) **P Tylluan yr Eira (Snowy Owl, *Bubo scandiaca*) **P 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*)

## Troellwyr

Troellwr Mawr
**Urdd**: Caprimulgiformes
**Teulu**: Caprimulgidae

* Troellwr Mawr (Nightjar, *Caprimulgus europaeus*)
* Cudyll-droellwr (Common Nighthawk, *Chordeiles minor*) **P**

## Gwenoliaid duon

**Urdd**: Apodiformes
**Teulu**: Apodidae

* Coblyn y Simdde, Gwennol Ddu'r Simneiau (Chimney Swift, *Chaetura pelagica*) **P Gwennol Ddu (Swift, *Apus apus*)
* Gwennol Welw-ddu, Gwennol Ddu Welw, Coblyn Gwelw (Pallid Swift, *Apus pallidus*) **P Gwennol Ddu'r Alpau, Coblyn yr Alpau (Alpine Swift, *Apus melba*) **C Gwennol Ddu Fach, Coblyn Bach (Little Swift, *Apus affinis*) **P**

## Gleision y dorlan

Glas y dorlan
**Urdd**: Coraciiformes
**Teulu**: Alcedinidae

* Glas y dorlan (Kingfisher, *Alcedo atthis*)

## Gwybedogion y gwenyn

**Urdd**: Coraciiformes
**Teulu**: Meropidae

* Gwybedog y Gwenyn (Bee-eater, *Merops apiaster*)

## Rholyddion

**Urdd**: Coraciiformes
**Teulu**: Coraciidae

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

## Copog

**Urdd**: Coraciiformes
**Teulu**: Upupidae

* Copog (Hoopoe, *Upupa epops*)

## Cnocellau

Cnocell Fraith Fwyaf
**Urdd**: Piciformes
**Teulu**: Picidae

* Pengam (Wryneck, *Jynx tranquila*)
* Cnocell Werdd (Green Woodpecker, *Picus viridis*)
* Cnocell Fraith Fwyaf (Great Spotted Woodpecker, *Dendrocopos major*)
* Cnocell Fraith Leiaf (Lesser Spotted Woodpecker, *Dendrocopos minor*)

## Fireoau

**Urdd**: Passeriformes
**Teulu**: Vireonidae

* Telor Llygatgoch, Fireo Llygatgoch (Red-eyed Vireo, *Vireo olivaceus*) **P**

## Eurynnod

**Urdd**: Passeriformes
**Teulu**: Oriolidae

* Euryn (Golden Oriole, *Oriolus oriolus*) **C**

## Cigyddion

Cigydd Mawr
**Urdd**: Passeriformes
**Teulu**: Laniidae

* Cigydd Gwdw (Isabelline Shrike, *Lanius isabellinus*) **P Cigydd Cefngoch (Red-backed Shrike, *Lanius collurio*) **C Cigydd Glas (Lesser Grey Shrike, *Lanius minor*) **P Cigydd Mawr (Great Grey Shrike, *Lanius excubitor*)
* Cigydd Pengoch (Woodchat Shrike, *Lanius senator*) **C**

## Brain

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*) **P 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

Dryw Eurben
**Urdd**: Passeriformes
**Teulu**: Regulidae

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

## Titwod pendil

**Urdd**: Passeriformes
**Teulu**: Remizidae

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

## Titwod

Titw Tomos Las
**Urdd**: Passeriformes
**Teulu**: Paridae

* Titw Tomos Las (Blue Tit, *Cyanistes caeruleus*)
* Titw Mawr (Great Tit, *Parus major*)
* 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

Ehedydd
**Urdd**: Passeriformes
**Teulu**: Alaudidae

* Ehedydd Du (Black Lark, *Melanocorypha yeltoniensis*) **P Ehedydd Llwyd (Short-toed Lark, *Calandrella brachydactyla*) **C Ehedydd Copog (Crested Lark, *Galerida cristata*) **P Ehedydd y Coed (Woodlark, *Lullula arborea*) **C Ehedydd (Skylark, *Alauda arvensis*)
* Ehedydd y Traeth (Shore Lark, *Eremophila alpestris*) **C**

## Gwenoliaid

Gwennol
**Urdd**: Passeriformes
**Teulu**: Hirundinidae

* Gwennol y Glennydd (Sand Martin, *Riparia riparia*)
* Gwennol y Clogwyn, Gwennol y Graig (Crag Martin, *Ptyonoprogne rupestris*) **P Gwennol (Swallow, *Hirundo rustica*)
* Gwennol y Bondo (House Martin, *Delichon urbicum*)
* Gwennol Dingoch (Red-rumped Swallow, *Cecropis daurica*) **C**

## 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

Siff-saff
**Urdd**: Passeriformes
**Teulu**: Phylloscopidae

* Telor Gwyrdd (Greenish Warbler, *Phylloscopus trochiloides*) **C Telor yr Arctig (Arctic Warbler, *Phylloscopus borealis*) **P Telor Pallas (Pallas's Warbler, *Phylloscopus proregulus*) **C Telor Aelfelen (Yellow-browed Warbler, *Phylloscopus inornatus*)
* Telor Hume (Hume's Warbler, *Phylloscopus humei*) **P Telor Radde (Radde's Warbler, *Phylloscopus schwarzi*) **P Telor Tywyll (Dusky Warbler, *Phylloscopus fuscatus*) **P Telor Bonelli'r Gorllewin (Western Bonelli's Warbler, *Phylloscopus bonelli*) **P Telor y Coed (Wood Warbler, *Phylloscopus sibalatrix*)
* Siff-saff (Chiffchaff, *Phylloscopus collybita*)
* Siff-saff Iberia (Iberian Chiffchaff, *Phylloscopus ibericus*) **P Telor yr Helyg (Willow Warbler, *Phylloscopus trochilus*)

## Teloriaid nodweddiadol

Telor Dartford
**Urdd**: Passeriformes
**Teulu**: Sylviidae

* Telor Penddu (Blackcap, *Sylvia atricapilla*)
* Telor yr Ardd (Garden Warbler, *Sylvia borin*)
* Telor Rhesog (Barred Warbler, *Sylvia nisoria*) **C Llwydfron Fach (Lesser Whitethroat, *Sylvia curruca*)
* Llwydfron (Whitethroat, *Sylvia communis*)
* Telor Dartford (Dartford Warbler, *Sylvia undata*)
* Telor Marmora (Marmora's Warbler, *Sylvia sarda*) **P Telor Rüppell (Rüppell's Warbler. *Sylvia rueppelli*) **P Telor Brongoch (Subalpine Warbler, *Sylvia cantillans*) **C Telor Sardinia (Sardinian Warbler, *Sylvia melanocephala*) **P**

## Teloriaid y gwair

**Urdd**: Passeriformes
**Teulu**: Locustellidae

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

## Teloriaid y cyrs

Telor yr Hesg
**Urdd**: Passeriformes
**Teulu**: Acrocephalidae

* Telor Bacsiog (Booted Warbler, *Iduna caligata*) **P Telor Aur (Icterine Warbler, *Hippolais icterina*) **C Telor Pêr (Melodious Warbler, *Hippolais polyglotta*) **C Telor y Dŵr (Aquatic Warbler, *Acrocephalus paludicola*) **C Telor yr Hesg (Sedge Warbler, *Acrocephalus schoenobaenus*)
* Telor y Caeau Reis (Paddyfield Warbler, *Acrocephalus agricola*) **P Telor y Cyrs Blyth (Blyth's Reed Warbler, *Acrocephalus dumetorum*) **P Telor y Gwerni (Marsh Warbler, *Acrocephalus palustris*) **C Telor y Cyrs (Reed Warbler, *Acrocephalus scirpaceus*)
* Telor Mawr y Cyrs (Great Reed Warbler, *Acrocephalus arundinaceus*) **P**

## Cynffonau sidan

Cynffonau Sidan
**Urdd**: Passeriformes
**Teulu**: Bombycillidae

* Cynffon Sidan (Waxwing, *Bombycilla garrulus*)

## Deloriaid

**Urdd**: Passeriformes
**Teulu**: Sittidae

* Delor y Cnau (Nuthatch, *Sitta europaea*)

## Dringwyr bach

**Urdd**: Passeriformes
**Teulu**: Certhidae

* Dringwr Bach (Treecreeper, *Certhia familiaris*)

## Drywod

Dryw
**Urdd**: Passeriformes
**Teulu**: Troglodytidae

* Dryw (Wren, *Troglodytes troglodytes*)

## Adar gwatwar

**Urdd**: Passeriformes
**Teulu**: Mimidae

* Cath-aderyn Llwyd (Grey Catbird, *Dumetella carolinensis*) **P**

## Drudwennod

**Urdd**: Passeriformes
**Teulu**: Sturnidae

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

## Bronwennod y dŵr

**Urdd**: Passeriformes
**Teulu**: Cinclidae

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

## Bronfreithod

Bronfraith
**Urdd**: Passeriformes
**Teulu**: Turdidae

* Corfronfraith (Swainson's Thrush, *Catharus ustulatus*) **P Bronfraith Fochlwyd (Grey-cheeked Thrush, *Catharus minimus*) **P Mwyalchen y Mynydd (Ring Ouzel, *Turdus torquatus*)
* Mwyalchen neu Aderyn Du (Blackbird, *Turdus merula*)
* Brych Aeliog (Eye-browed Thrush, *Turdus obscurus*) **P Brych Tywyll (Dusky Thrush, *Turdus eunomus*) **P Brych Gyddfddu (Black-throated Thrush, *Turdus atrogularis*) **P 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*) **P**

## Gwybedogion a chlochdarod

Robin Goch
Gwybedog Brith
**Urdd**: Passeriformes
**Teulu**: Muscicapidae

* Gwybedog Mannog (Spotted Flycatcher, *Muscicapa striata*)
* Robin Goch (Robin, *Erithacus rubecula*)
* Robin Gyddfwyn (White-throated Robin, *Irania gutturalis*) **P Cynffonlas Ystlysgoch (Red-flanked Bluetail, *Tarsiger cyanurus*) **P Eos Fronfraith neu Eos Fraith (Thrush Nightingale, *Luscinia luscinia*) **P Eos (Nightingale, *Luscinia megarhynchos*) **C Bronlas (Bluethroat, *Luscinia svecica*) **C Gwybedog Brongoch (Red-breasted Flycatcher, *Ficedula parva*) **C Gwybedog Torchog (Collared Flycatcher, *Ficedula albicollis*) **P Gwybedog Brith (Pied Flycatcher, *Ficedula hypoleuca*)
* Tingoch Du (Black Redstart, *Phoenicurus ochruros*)
* Tingoch (Redstart, *Phoenicurus phoenicurus*)
* Tingoch Moussier (Moussier's Redstart, *Phoenicurus moussieri*) **P Bronfraith y Graig, Brych y Graig (Rock Thrush, *Monticola saxatilis*) **P Bronfraith Las y Graig, Brych Glas y Graig (Blue Rock Thrush, *Monticola solitarius*) **P Crec yr Eithin (Whinchat, *Saxicola rubetra*)
* Clochdar y Cerrig (Stonechat, *Saxicola rubicola*)
* Tinwen Isabella (Isabelline Wheatear, *Oenanthe isabellina*) **P Tinwen y Garn (Wheatear, *Oenanthe oenanthe*)
* Tinwen Fraith (Pied Wheatear, *Oenanthe pleschanka*) **P Tinwen Glustiog Ddu, Tinwen Glustddu (Black-eared Wheatear, *Oenanthe hispanica*) **P Tinwen y Diffeithwch (Desert Wheatear, *Oenanthe deserti*) **P**

## Llwydiaid

**Urdd**: Passeriformes
**Teulu**: Prunellidae

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

## Golfanod

**Urdd**: Passeriformes
**Teulu**: Passeridae

* Aderyn y To (House Sparrow, *Passer domesticus*)
* Golfan Sbaen (Spanish Sparrow, *Passer hispaniolensis*) **P Golfan y Mynydd (Tree Sparrow, *Passer montanus*)

## Corhedyddion a siglennod

Siglen Fraith
**Urdd**: Passeriformes
**Teulu**: Motacillidae

* Siglen Felen (Yellow Wagtail, *Motacilla flava*)
* Siglen Sitraidd (Citrine Wagtail, *Motacilla citreola*) **P 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*) **P Corhedydd Melyn (Tawny Pipit, *Anthus campestris*)
* Corhedydd Gwyrddgefn (Olive-backed Pipit, *Anthus hodgsoni*) **P Corhedydd y Coed (Tree Pipit, *Anthus trivialis*)
* Corhedydd Pechora (Pechora Pipit, *Anthus gustavi*) **P Corhedydd y Waun (Meadow Pipit, *Anthus pratensis*)
* Corhedydd Gyddfgoch (Red-throated Pipit, *Anthus cervinus*) **C Corhedydd y Graig (Rock Pipit, *Anthus petrosus*)
* Corhedydd y Dŵr (Water Pipit, *Anthus spinoletta*)

## Llinosiaid neu bincod

Ji-binc
Nico
**Urdd**: Passeriformes
**Teulu**: Fringillidae

* Ji-binc neu Asgell Fraith (Chaffinch, *Fringilla coelebs*)
* Pinc y Mynydd (Brambling, *Fringilla montifringilla*)
* Llinos Frech (Serin, *Serinus serinus*) **C Llinos Werdd (Greenfinch, *Chloris chloris*)
* 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*) **C Llinos Bengoch yr Arctig (Arctic Redpoll, *Carduelis hornemanni*) **C Croesbig Wenaden, Croesbig Adeinwen (Two-barred Crossbill, *Loxia leucoptera*) **P Gylfin Groes (Crossbill, *Loxia curvirostris*)
* Llinos Goch (Common Rosefinch, *Carpodacus erythrinus*) **C Coch y Berllan (Bullfinch, *Pyrrhula pyrrhula*)
* Gylfinbraff (Hawfinch, *Coccothraustes coccothraustes*)

## Breision y gogledd

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*) **P Gylfindew Brongoch (Rose-breasted Grosbeak, *Pheucticus ludovicianus*) **P Bras Dulas (Indigo Bunting, *Passerina cyanea*) **P**

## Breision a golfanod Americanaidd

Bras Melyn
Bras y Cyrs
**Urdd**: Passeriformes
**Teulu**: Emberizidae

* Golfan Bersain, Llwyd Persain (Song Sparrow, *Melospiza melodia*) **P Golfan Yddfwyn, Llwyd Gyddfwyn (White-throated Sparrow, *Zonotrichia albicollis*) **P Jynco Llygeitu (Dark-eyed Junco, *Junco hyemalis*) **P Bras y Pin (Pine Bunting, *Emberiza leucocephalos*) **P Bras Melyn, Melyn yr Eithin (Yellowhammer, *Emberiza citrinella*)
* Bras Ffrainc (Cirl Bunting, *Emberiza cirlus*) **C Bras y Graig (Rock Bunting, *Emberiza cia*) **P Bras y Gerddi (Ortolan Bunting, *Emberiza hortulana*) **C Bras Gwledig (Rustic Bunting, *Emberiza rustica*) **C Bras Lleiaf (Little Bunting, *Emberiza pusilla*) **C Bras Bronfelen (Yellow-breasted Bunting, *Emberiza aureola*) **P Bras y Cyrs (Reed Bunting, *Emberiza schoeniclus*)
* Bras Penddu (Black-headed Bunting, *Emberiza melanocephala*) **P Bras yr Ŷd (Corn Bunting, *Emberiza calandra*) **C**

## Eurynnod Americanaidd a mwyeilch Americanaidd

**Urdd**: Passeriformes
**Teulu**: Icteridae

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

## Teloriaid Americanaidd

Telor Tin-felen
**Urdd**: Passeriformes
**Teulu**: Parulidae

* Telor Brith (Black-and-white Warbler, *Mniotilta varia*) **P Gyddf-felyn (Common Yellowthroat, *Geothlypis trichas*) **P Telor Blackburn (Blackburnian Warbler, *Setophaga fusca*) **P Telor Melyn (Yellow Warbler, *Setophaga petechia*) **P Telor Tinwen (Blackpoll Warbler, *Setophaga striata*) **P Telor Tin-felen (Yellow-rumped Warbler, *Setophaga coronata*) **P**

## Gweler hefyd

* Rhestr o greaduriaid morol gwledydd Prydain
* Rhestr adar Prydain
* Adar mudol

## 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

* (Saesneg) Cymdeithas Adaryddol Cymru Archifwyd 2012-01-24 yn y Peiriant Wayback