1,039 articles
Amazona viridigenalis
Amazona viridigenalis, the red-crowned amazon or loro tamaulipeco, is an endangered green parrot endemic to northeastern Mexico, threatened by habitat loss and pet-trade capture, with naturalized urban populations in California, Florida, Texas, and Puerto Rico.
American coot
American coot (Fulica americana), also mud hen, a rail-family waterbird of North America that swims like a duck using lobed toes, nests over water, and is IUCN Least Concern with about 7.1 million mature individuals.
American crow
American crow (Corvus brachyrhynchos), also called Corneille d'Amérique, a large all-black North American corvid, omnivorous ground forager, communal winter roosts up to two million birds, cooperative family groups, Least Concern.
American flamingo
American flamingo (Phoenicopterus ruber), also Caribbean flamingo, a large pink wading bird of the Caribbean, Yucatán, and Galápagos; IUCN Least Concern with 150,000-205,000 mature individuals, monogamous pairs, single-egg clutches, and diet-derived pink color.
American goldfinch
American goldfinch (Spinus tristis), also wild canary, a small yellow North American finch, state bird of Iowa, New Jersey, and Washington; seed-eating, late-nesting, about 44 million birds, IUCN Least Concern.
American kestrel
American kestrel (Falco sparverius), North America's smallest falcon, ranges from Alaska to southern South America. Cavity-nesting insect and rodent hunter in long decline, about 53% since 1966, yet IUCN Least Concern with 9.2 million birds.
American Pekin
American Pekin (Anas platyrhynchos domesticus), also called White Pekin: a large white domestic duck breed from China, imported to the US in 1873, supplying about 90 percent of US duck meat and reaching market weight in 4 to 5 weeks.
American robin
American robin (Turdus migratorius), also zorzal americano or merle d'Amérique, a widespread North American thrush with an orange breast, about 366 million breeding individuals, Least Concern, diet roughly 40% invertebrates and 60% fruit.
American white ibis
American white ibis (Eudocimus albus), also Corocoro Blanco, a white colonial wading bird with red curved bill and black wingtips of southeastern US wetlands; tactile prober, Everglades indicator species, IUCN Least Concern.
American white pelican
American white pelican (Pelecanus erythrorhynchos), a huge white North American waterbird with a 244–290 cm wingspan. Surface-feeds on fish with a pouched bill, breeds colonially on inland islands, winters on coasts; does not plunge-dive.
Ammodramus
Ammodramus, a New World sparrow genus (Passerellidae) named by Swainson in 1827, type species the Grasshopper Sparrow; long defined by grassland habits, shown polyphyletic by mtDNA and split into Ammospiza and related genera.
Anas
Anas (Linnaeus, 1758), dabbling ducks of Anatidae; includes mallard, pintails, teals. Contested taxonomy: IOC split left 31 species; 2024 whole-genome study proposes 47, with ancient Tachyeres introgression and South American origin.
Anas acuta
Anas acuta, the northern pintail, is a circumpolar dabbling duck with long pointed central tail feathers, breeding in Arctic and prairie wetlands. IUCN Least Concern but declining, especially in North America.
Anas clypeata
Anas clypeata, the northern shoveler (Spatula clypeata in modern checklists), is a Holarctic migratory dabbling duck with a large spoon-shaped bill bearing about 110 lamellae, used to filter zooplankton and seeds; IUCN Least Concern.
Anas crecca
Anas crecca, the common teal or Eurasian teal (also green-winged teal), is a small Northern Hemisphere dabbling duck, 33-40 cm, 250 g, IUCN Least Concern; species limits with A. carolinensis disputed.
Anas penelope
Anas penelope (Eurasian wigeon, now Mareca penelope) is a Palearctic migratory dabbling duck breeding from Iceland across northern Europe and Asia, wintering to Africa and India; plant-eating, whistling, IUCN Least Concern, population c. 2.8-3.3 million.
Anas querquedula
Anas querquedula, the garganey, now placed in the genus Spatula, is a small dabbling duck breeding across temperate Eurasia and wintering in Africa and southern Asia.
Anas strepera
Anas strepera, the gadwall (Mareca strepera), is a medium-sized gray dabbling duck with a white wing speculum, circumpolar across temperate regions. It steals food from coots and diving ducks, lays 7-12 eggs, and numbers about 4-4.9 million mature individuals, IUCN Least Concern.
Anatidae
Anatidae, the waterfowl family of ducks, geese, and swans in order Anseriformes, has about 150 species worldwide except Antarctica; herbivorous, precocial chicks, debated phylogeny, 38 IUCN-listed taxa.
Andean condor
Andean condor (Vultur gryphus), a New World vulture of the Andes and South American coasts; heaviest soaring bird at up to 15 kg with a 3.2 m wingspan, flapping only 1% of flight time; IUCN Vulnerable with about 6,700 mature individuals.
Andigena
Andigena (mountain-toucans), genus of Andean toucans in Ramphastidae established by Gould 1851; includes hypoglauca, laminirostris, nigrirostris, cucullata; montane cloud-forest frugivores, Selenidera paraphyletic.
Andy (goose)
Andy was a footless domestic goose in Hastings, Nebraska, who became a celebrity in the late 1980s after his owner fitted him with baby shoes that let him walk.
Anhinga
Anhinga (Anhinga anhinga), also called snakebird, darter, or water turkey: an American darter of Suliformes that swims submerged, spears fish, dries wettable feathers with spread wings, and is IUCN Least Concern.
Anhingidae
Anhingidae, known as darters, anhingas, or snakebirds, is a family of aquatic birds with four species in one genus across the tropics, swimming submerged and spearing fish.
Anna's hummingbird
Anna's hummingbird (Calypte anna), a Pacific Coast hummingbird with a rose crown and gorget; expanded from Baja/southern California northward since the mid-1930s via feeders and eucalyptus, with populations increasing dramatically since 1970.
Anous
Anous (noddies) is a genus of tropical terns in Laridae, subfamily Anoinae, established by Stephens in 1826, with five species including the Brown Noddy A. stolidus and Black Noddy A. minutus; Procelsterna is a junior synonym.
Anser
Anser is a genus of geese in Anatidae established by Brisson in 1760, with the greylag goose Anser anser as type species; it includes white geese (formerly Chen) and ancestors of domestic geese.
Anser albifrons
Anser albifrons, the greater white-fronted goose, is a stocky brown goose with a white patch at the bill base, breeding across Arctic tundra of North America and Eurasia.
Anser fabalis
Anser fabalis, the taiga bean goose (Saatgans), is a migratory grey goose of northern Eurasia, 65–90 cm long, split from tundra bean goose A. serrirostris in 2007; declining in Europe, increasing in East Asia.
Anseriformes
Anseriformes, the waterfowl order (ducks, geese, swans, screamers, magpie goose), is a bird order of three families and 161 species, sister to Galliformes in Galloanserae, with a Cretaceous fossil history.