rosy thrush-tanager
A bird of the species Rhodinocichla rosea.

rosybill
The rosy-billed pochard, Netta peposaca.

rosybills
plural of rosybill

rough-legged buzzard
Buteo lagopus, a medium-large bird of prey.

rough-legged hawk
The rough-legged buzzard.

roughleg
Buteo lagopus, a bird of prey.

roughlegs
plural of roughleg

roulroul
A gamebird in the pheasant family, the crested partridge (Rollulus rouloul).

roulrouls
plural of roulroul

rowi
The Okarito brown kiwi, Apteryx rowi.

royal flycatcher
Any bird of the genus Onychorhynchus.

royal penguin
A species of white-faced penguin, Eudyptes schlegeli, which breed on Macquarie Island, in the south-west Pacific.

royal spoonbill
Platalea regia, a bird found in Australia, New Zealand, Indonesia, Papua New Guinea, and the Solomon Islands.

royal tern
The seabird Thalasseus maximus (syn. Sterna maxima).

ruby-throated hummingbird
A species of hummingbird, Archilochus colubris.

ruby-throated hummingbirds
plural of ruby-throated hummingbird

rubythroats
plural of rubythroat

ruddy duck
Oxyura jamaicensis, a small stifftail duck, the male of which has a rust-coloured body.

ruddy ground dove
A South American ground dove, of species Columbina talpacoti.

ruddy shelduck
A migratory duck, Tadorna ferruginea.

ruddy turnstone
A stout short-billed wading bird in the wader family of Scolopacidae; Arenaria interpres.

ruddy-tailed flycatcher
A bird of the species Terenotriccus erythrurus.

ruff
A circular frill or ruffle on a garment, especially a starched, fluted frill at the neck in Elizabethan and Jacobean England (1560s–1620s).
Anything formed with plaits or flutings like a frill.
Senses relating to animals.
Senses relating to animals.
Senses relating to animals.
A collar on a shaft or other piece to prevent endwise motion.
An exhibition of haughtiness or pride.
Tumultuous or wanton conduct or procedure.

ruffed grouse
An American game bird, Bonasa umbellus; the male makes drumming sounds with its wings

ruffs
plural of ruff

rufous bush chat
Cercotrichas galactotes, a species of bird. Also called rufous-tailed scrub robin, rufous scrub robin, rufous bush robin, rufous warbler

rufous bush robin
Cercotrichas galactotes, a species of bird. Also called rufous-tailed scrub robin, rufous scrub robin, rufous warbler, rufous bush chat

rufous grasswren
Amytornis whitei, a species of Australian grasswren.

rufous hummingbird
Selasphorus rufus, a small hummingbird with a straight, slender bill.

rufous hummingbirds
plural of rufous hummingbird

rufous owl
A species of strigid owl, Ninox rufa, of New Guinea and north Australia.

rufous warbler
Cercotrichas galactotes, a species of bird. Also called rufous-tailed scrub robin, rufous scrub robin, rufous bush robin, rufous bush chat

rufous-backed antvireo
A tropical bird whose natural habitat is located on Brazilian montanes, Dysithamnus xanthopterus

rufous-backed fantail
Rhipidura rufidorsa, a species of Rhipiduridae bird.

rufous-bellied kookaburra
A kookaburra of species Dacelo gaudichaud, of lowland New Guinea.

rufous-bellied tit
Melaniparus rufiventris, a small bird of the tit family Paridae

rufous-breasted sparrowhawk
Any of the species Accipiter rufiventris, of southern and eastern Africa.

rufous-capped antshrike
a passerine bird of the antbird family, Thamnophilus ruficapillus.

rufous-chested sparrowhawk
Any of species species, of southern and eastern Africa.

rufous-collared sparrow
Zonotrichia capensis, a New World sparrow found in Latin America.

rufous-crowned bee-eater
Merops americanus, a species of bee-eater endemic to the Phillipines.

rufous-crowned sparrow
Aimophila ruficeps, a species of New World sparrow.

rufous-naped bellbird
Any of species Aleadryas rufinucha of bellbirds.

rufous-naped tit
Periparus rufonuchalis, a small bird of the tit family Paridae

rufous-tailed hawk
Buteo ventralis, a species of bird of prey in the Accipitridae family, found in southern Argentina and Chile

rufous-tailed rock thrush
common rock thrush

rufous-tailed scrub robin
Cercotrichas galactotes, a species of bird. Also called rufous scrub robin, rufous bush robin, rufous warbler, rufous bush chat

rufous-vented ground-cuckoo
Neomorphus geoffroyi, a large terrestrial species of cuckoo in the Cuculidae family

rufous-vented tit
Periparus rubidiventris, a small bird of the tit family Paridae

rufous-winged antshrike
a passerine bird of the antbird family, Thamnophilus torquatus.

rukia
Any bird of the genus Rukia, native to Micronesia.

rukias
plural of rukia

rupicola
Any of several South American passerine birds, of the genus Rupicola, having bright plumage and a fan-shaped crest on the head.

rupicolas
plural of rupicola

ruru
The morepork.

rurus
plural of ruru

russet sparrow
Passer cinnamomeus, a passerine bird of the sparrow family.

russet-backed thrush
Synonym of Swainson's thrush.

rustic bunting
Emberiza rustica, a passerine bird in the bunting family Emberizidae.

rusticola
Scolopax rusticola, the Eurasian woodcock.

rusticolas
plural of rusticola

rusty blackbird
Euphagus carolinus, a medium-sized blackbird, closely related to the grackles.

rusty pitohui
A passerine bird of the species Pseudorectes ferrugineus, from New Guinea.

rusty tinamou
A tinamou, Crypturellus brevirostris.

rusty-margined guan
A species of bird in the family Cracidae (Penelope superciliaris)

ruticilla
A bird, the redstart.

ruticillas
plural of ruticilla

sacar
Alternative form of saker (cannon).

sacars
plural of sacar

sacker
A person who sacks or plunders.
A person who fills or makes sacks or bags.
A person who fills or makes sacks or bags.
A machine or device for filling sacks.
A person who sacks or fires (dismisses someone from a job or position).
A baseman (player positioned at or near a base).
A player who sacks (tackles the offensive quarterback behind the line of scrimmage before he is able to throw a pass).

sacred ibis
A wading bird of species Threskiornis aethiopicus, of the family Threskiornithidae, which breeds in sub-Saharan Africa, southeastern Iraq and formerly in Egypt, where it was venerated and often mummified as a symbol of the god Thoth.

sacred kingfisher
a tree kingfisher, Todiramphus sanctus, that inhabits Australian forests.

saddle-billed stork
A large black and white stork of western Africa (Ephippiorhynchus senegalensis) having a red bill with a black band across it. It is sometimes called jabiru.

saddleback
A saddle-shaped ridge forming a shallow pass between two peaks.
A roof in the same shape, having a gable at each end.
A coping that is thicker in the middle than at the edges.
Any of various creatures having a saddle-shaped marking on the back.
A breed of pig which is black with a pink saddle-shaped marking.
An anticline.
A great black-backed gull.
A passerine bird of the genus Philesturnus.
A variety of domestic goose.
A raccoon oyster.
A harp seal.
A larva of the bombycid moth.

saddlebacks
plural of saddleback

saddlebill
Ephippiorhynchus senegalensis, a large wading bird in the stork family, found in parts of Africa.

saddlebills
plural of saddlebill

sage grouse
A large grouse of western North America having mottled gray, black and buff plumage (Centrocercus urophasianus) which feeds on the buds of the sagebrush.

sage sparrow
A sparrow (Artemisiospiza belli) that usually inhabits sagebrush land in the western United States.

sage thrasher
A thrasher (Oreoscoptes montanus) which is a pale gray-brown above and white with brown streaks below and inhabits sagebrush regions in south-western North America.

sage thrashers
plural of sage thrasher

sagebrush sparrow
Artemisiospiza nevadensis, a species of New World sparrow.

saggy
Baggy or loose-fitting.
That sinks or droops from wear or its own weight.

saikyr
Obsolete form of saker (“a cannon”).

saikyrs
plural of saikyr

saker
A falcon (Falco cherrug) native of Southern Europe and Asia.
A medium cannon slightly smaller than a culverin developed during the early 17th century.