redhead
A person with red hair.
A North American duck (Aythya americana) highly esteemed as a game bird.
A kind of milkweed (Asclepia curassavica), with red flowers, formerly used in medicine.
Chinese red-headed centipede (Scolopendra subspinipes mutilans)
Red-headed bunting (Emberiza bruniceps).
Red-headed titi (Callicebus regulus).
Red-headed vulture (Sarcogyps calvus).
Red-headed woodpecker (Melanerpes erythrocephalus).
A kind of 800-watt lamp.

redheads
plural of redhead

redpole
Archaic form of redpoll (“Acanthis spp.”).

redpoles
plural of redpole

redpoll
Any of various finches in the genus Acanthis (syn. Carduelis), which have characteristic red markings on their heads.
A redhead.

redpolls
plural of redpoll

redshanks
plural of redshank

redstart
Any of various insectivorous ground-feeding birds, mainly of the genus Phoenicurus. Many of the species have a red tail.
A species of warbler native to the Americas, Setophaga ruticilla, only distantly related to Phoenicurus.

redstarts
plural of redstart

redthroat
A small Australian songbird, Pyrrholaemus brunneus, with a red central part of the throat.
Alternative spelling of red-throat.

redthroats
plural of redthroat

redwing
A small thrush, Turdus iliacus, native to Eurasia, with a white eye stripe and red under-wing feathers.

redwings
plural of redwing

reed bunting
A passerine bird, Emberiza schoeniclus, sparrow-sized but slim and with a long, deeply notched tail.

reed warbler
A warbler, of species of Acrocephalus scirpaceus in family Acrocephalidae, native to Eurasia and Africa.
Any of various similar Old World birds of the same genus, especially great reed warbler (A. arundinaceus) and clamorous reed warbler (A. stentoreus).

reedbird
The bobolink.
One of several small Asiatic songbirds of the genera Schoenicola and Laticilla.

reedbirds
plural of reedbird

reguli
plural of regulus

regulus
An impure metal formed beneath slag during the smelting of ores.

reguluses
plural of regulus

resplendent quetzal
Pharomachrus mocinno, a small, mainly green bird found in the tropical forests of Central America and southern Mexico.

restless flycatcher
A passerine bird, Myiagra inquieta, native to eastern and southern Australia.

rhabdornis
Any of the small passerine birds of the genus Rhabdornis, endemic to the Philippines.

rhabdornises
plural of rhabdornis

rhea
A large flightless bird of the order Rheiformes, native to South America.

rheas
plural of rhea

rhinoceros auklet
A seabird of species Cerorhinca monocerata.

rhinoceros auklets
plural of rhinoceros auklet

rhinorrheas
plural of rhinorrhea

ribbon-tailed astrapia
Astrapia mayeri, a species of bird-of-paradise.

rifleman
A soldier trained to use a rifle as a primary weapon.
A person especially skilled in the use of a rifle.
A small wrenlike insectivorous passerine bird endemic to New Zealand, Acanthisitta chloris, the titipounamu.

riflemen
plural of rifleman

ring ousel
Alternative form of ring ouzel.

ring ouzel
Turdus torquatus, a European thrush, similar to the common blackbird, but with a ring of white feathers at its neck.

ring-billed gull
Larus delawarensis, a medium-sized gull of temperate North America.

ring-necked duck
Aythya collaris, a diving duck from North America commonly found in freshwater ponds and lakes

ring-necked parakeet
A species of parakeet, Psittacula krameri, prevalent in Asia and famous for escaping domestication and establishing wild populations in Britain.

ring-necked pheasant
A bird of the species Phasianus colchicus, native principally to temperate parts of Asia, naturalized elsewhere.

ringed kingfisher
A species of bird, Megaceryle torquata, found in the Americas south of the Rio Grande Valley to Tierra del Fuego.

ringed plover
A small plover, Charadrius hiaticula, that has a black neckband

ringed teal
A small South American forest duck of species Callonetta leucophrys.

riparia
plural of riparium

river warbler
An Old World warbler of species Locustella fluviatilis.

roadrunners
plural of roadrunner

roadside hawk
Buteo magnirostris, a relatively small bird of prey found in Latin America

robins
plural of robin

rock bunting
Emberiza cia, a passerine bird in the bunting family Emberizidae.

rock dove
The dove/pigeon species Columba livia.

rock partridge
Alectoris graeca: a species of partridge

rock partridges
plural of rock partridge

rock pigeon
A rock dove (Columba livia).
A speckled pigeon or African rock pigeon (Columba guinea).
A chestnut-quilled rock pigeon (Petrophassa rufipennis).
A white-quilled rock pigeon (Petrophassa albipennis).

rock pipit
A stocky bird, of species Anthus petrosus, somewhat smaller than a starling, that breeds on rocky beaches and winters on coastal salt marshes.

rock ptarmigan
A medium-sized gamebird in the grouse family, Lagopus muta.

rock thrush
common rock thrush (Monticola saxatilis)

rock wren
A wren native to South America and western North America (Salpinctes obsoletus),
A small wrenlike acanthisittid bird native to New Zealand (Xenicus gilviventris).

rock wrens
plural of rock wren

rockfowl
Any of either of the two species of genus Picathartes of birds endemic to sub-Saharan Africa.

rockfowls
plural of rockfowl

rockhopper penguin
Any of three closely related crested penguins, in genus Eudyptes.

rockjumpers
plural of rockjumper

rockrunner
A bird of the species Achaetops pycnopygius, native to Angola and Namibia.

rockrunners
plural of rockrunner

rockwarbler
A bird of the species Origma solitaria, native to New South Wales, Australia.

rockwarblers
plural of rockwarbler

roller
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
Anything that rolls.
A long wide bandage used in surgery.
A large, wide, curling wave that falls back on itself as it breaks on a coast.
A bird.
A bird.
A police patrol car or patrolman (rather than an unmarked police car or a detective)
A padded surcingle that is used on horses for training and vaulting.
A roll of titles or (especially) credits played over film or video; television or film credits.
A wheelchair user.
A Rolls-Royce motorcar.
A type break that consists of drum rolls; a drum and bass track made with such breaks.

rollerbottle
Alternative form of roller bottle.

rollerbottles
plural of rollerbottle

rollerdrome
Synonym of roller rink (“building for roller skating”).

rollerdromes
plural of rollerdrome

rollers
plural of roller

rook
A European bird, Corvus frugilegus, of the crow family.
A cheat or swindler; someone who betrays.
A bad deal; a rip-off.
A type of firecracker used by farmers to scare birds of the same name.
A trick-taking game, usually played with a specialized deck of cards.
A parson.

rooks
plural of rook

rose robin
Petroica rosea, a small passerine bird native to Australia. The male has a distinctive pink breast.

rose-breasted grosbeak
Pheucticus ludovicianus, a large, seed-eating grosbeak in the cardinal family (Cardinalidae).

rose-coloured starling
Synonym of rosy starling.

rose-crowned fruit-dove
A species of fruit dove, Ptilinopus regina, of Wallacea and northern and eastern Australia, the males of which have a pink forecrown.

rose-ringed parakeet
The ring-necked parakeet (Psittacula krameri).

rose-ringed parakeets
plural of rose-ringed parakeet

roseate spoonbill
A species of spoonbill, Platalea ajaja.

roseate tern
A species of tern, Sterna dougallii.

rosefinch
Any of the birds in the genus Carpodacus of the finch family.

rosefinches
plural of rosefinch

rosy finch
Any of a number of finches of the genus Leucosticte, having pinkish plumage.

rosy minivet
The bird Pericrocotus roseus.

rosy starling
Pastor roseus, a passerine bird in the starling family Sturnidae, of much of Eurasia.