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Glareola
Glareola (typical pratincoles) is a genus of seven swallow-like waders in Glareolidae, Charadriiformes, including the Collared, Oriental, Black-winged, Small, Rock, Grey, and Madagascar Pratincoles, differing from Stiltia.
Glareolidae
Glareolidae, the coursers and pratincoles, is a Charadriiformes bird family of 4 genera and 17 species across Africa, Asia and Australia, with slender bodies, long wings, aerial insect feeding, and mostly Least Concern IUCN status.
Glaucidium
Glaucidium (pygmy-owls, owlets), F. Boie 1826, is a genus of small Strigidae owls in Surniinae, spanning Eurasia, Africa, and the Americas; species counts rose from 12–13 to about 29–32 as vocal and molecular studies split taxa.
Glaucidium passerinum
Glaucidium passerinum, the Eurasian pygmy owl (Sperlingskauz, sóweczka), Europe's smallest owl, a diurnal-dusk hunter of voles and birds in boreal and montane conifer forests, caching prey in cavities; IUCN Least Concern.
Glaucidium siju
Glaucidium siju, the Cuban pygmy-owl (Sijú Platanero), a small Strigidae owl endemic to Cuba, resident, fairly common, Least Concern (2024), EOO 222,000 km², three subspecies, decreasing trend from forest loss.
Goldcrest
Goldcrest (Regulus regulus), a 5-6 g Eurasian kinglet, the smallest breeding bird in Britain and Ireland alongside the firecrest; coniferous woodland, clutches up to 12 eggs, IUCN Least Concern.
Golden eagle
Golden eagle (Aquila chrysaetos, Aigle royal, Steinadler): a large Holarctic booted eagle of open mountains, hunting hares and marmots, nesting on cliffs; IUCN Least Concern with 85,000-160,000 mature birds but over 70% of recorded deaths human-caused.
Golden pheasant (红腹锦鸡)
Golden pheasant (红腹锦鸡, Chrysolophus pictus) is a Chinese gamebird; male has golden crest, orange cape, scarlet body, tail two-thirds of ~100 cm. IUCN Least Concern but Near Threatened in China, Class II protected; British naturalised population functionally extinct by 2023.
Golubyatnya
Голубятня (golubyatnya) is the Russian word for a dovecote or pigeon loft, a structure for keeping and breeding domestic pigeons, also a Moscow landmark dacha of Count Orlov and a colloquial term for a tiny top-floor flat.
Goose
Goose: large herbivorous waterfowl of genera Anser and Branta; domesticated from greylag and swan goose, possibly first poultry species; abundant wild populations now managed under AEWA for farm conflicts.
Gouldian finch
Gouldian finch (Chloebia gouldiae, Lady Gouldian finch, rainbow finch): colorful Australian grassfinch with black, red, or yellow head morphs; nests only in tree hollows; Endangered under EPBC Act, IUCN Least Concern since 2022.
Goura
Goura (crowned pigeons), genus Goura Stephens 1819, Columbidae; four large ground-dwelling pigeon species endemic to New Guinea lowlands, including the Victoria crowned pigeon, the largest living pigeon; threatened by logging and hunting.
Gracula
Gracula is a genus of glossy-black starlings in the family Sturnidae, known as hill mynas, native to South and Southeast Asia and famous as mimics of human speech.
Grallaria
Grallaria (Vieillot, 1816) is the largest genus of antpittas, family Grallariidae: terrestrial Andean understorey insectivores, center of diversity Colombia to Peru, with the G. rufula complex split into 16 species.
Graminicola
Graminicola is a genus of grassbirds in the babbler family Pellorneidae, erected by Jerdon in 1863 with the Indian Grassbird as type; it holds two species, G. bengalensis and G. striatus, the Chinese Grassbird.
Grape-kun (グレープくん)
Grape-kun (グレープくん) was a Humboldt penguin at Tobu Zoo, Saitama, Japan, famous for bonding with a cardboard cutout of Hululu from Kemono Friends in 2017; he died in October 2017 at age 21.
Gray catbird
Gray catbird (Dumetella carolinensis), a slaty-gray Mimidae songbird of North American thickets with a black cap, chestnut undertail patch, catlike mew call, and long mimicking song; about 29 million birds, IUCN Least Concern.
Great auk
Great auk (Pinguinus impennis), the original "penguin": a flightless ~70 cm, 5 kg North Atlantic alcid, closest relative the razorbill, hunted to extinction; last pair killed on Eldey, Iceland, 3 June 1844, last sighting 1852.
Great blue heron
Great blue heron (Ardea herodias; Garza Azulada, Grand héron), North America's largest heron, a blue-gray wading bird 97–137 cm long that stalks fish in wetlands and nests colonially; generally increasing and of low concern, but the Pacific subspecies fannini is Special Concern in Canada.
Great bustard
Great bustard (Otis tarda), a large Eurasian steppe and farmland bird, largest land bird in Europe, IUCN Endangered 2023, world population 43,500–51,200 with about 60% in Spain, subspecies tarda and dybowskii.
Great cormorant
Great cormorant (Phalacrocorax carbo), also called Cormorant in the UK or Black Shag, a large cosmopolitan fish-eating cormorant of Suliformes; IUCN Least Concern, increasing, 1.4-2.1 million birds, wingspan 130-160 cm, wettable plumage dried with outstretched wings.
Great egret
Great egret (Ardea alba), a large white heron with yellow bill and black legs found on every continent except Antarctica; hunted nearly to extinction for plumes, now about 9.5 million North American breeding birds and low conservation concern.
Great grey owl
Great grey owl (Strix nebulosa, Great Gray Owl), a very tall boreal-forest owl of North America and Eurasia; weighs 700–1700 g, hunts voles by ear through snow using the largest facial disc of any owl.
Great hornbill
Great hornbill (Buceros bicornis), a large Vulnerable Asian hornbill of South-west India, the Himalayas, and Southeast Asia; fig-eating canopy frugivore and seed disperser with a yellow casque, hunted for meat, feathers, and casque.
Great horned owl
Great horned owl (Bubo virginianus), also Búho Americano or Grand-duc d'Amérique, a large tufted owl from Alaska to Brazil; earliest-nesting North American owl, most diverse diet of any North American raptor, talons needing 28 pounds of force to open.
Great Indian bustard
Great Indian bustard (Ardeotis nigriceps, Godawan): critically endangered, ~150 birds left, India's heaviest flying bird; threatened by power-line collisions; captive breeding and first rewilding release in 2026.
Great potoo
Great potoo (Nyctibius grandis), or grand potoo, the largest potoo (Nyctibiidae) of Central and South America; nocturnal camouflage master, 360–650 g, moaning growl, one egg on a branch, IUCN Least Concern.
Great spotted woodpecker
Great spotted woodpecker (Dendrocopos major), a Eurasian and North African Picidae woodpecker with black-white-red plumage and drumming displays; Least Concern globally, 49-78 million mature individuals, but strongly increasing in Britain and Ireland.
Great tit
Great tit (Parus major), Eurasian tit of the Paridae family, black-headed yellow-breasted garden and woodland bird. IUCN Least Concern, 423–683 million mature individuals; UK population about 2.4 million territories; model species in phenological-mismatch and urban-evolution research.
Great-tailed grackle
Great-tailed grackle (Quiscalus mexicanus, zanate mexicano), a large icterid blackbird of the Americas; males iridescent black with a long keeled tail, females brown and half the size; rapidly expanded north from Texas since 1900.