Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A.; de Juana, Eduardo (eds.). "Grey Crowned-crane (Balearica regulorum)". Handbook of the Birds of...

Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David; De Juana, Eduardo (eds.). "Grey Heron (Ardea cinerea)". Handbook of the Birds of the World Alive...

The grey hypocolius or simply hypocolius (Hypocolius ampelinus) is a small passerine bird species. It is the sole member of the genus Hypocolius and it...

The grey-capped greenfinch or Oriental greenfinch (Chloris sinica) is a small passerine bird in the finch family Fringillidae that breeds in broadleaf...

The grey trembler (Cinclocerthia gutturalis) is a songbird species in the family Mimidae, the mockingbirds and thrashers. It is found only on Martinique...

The grey-rumped swift or gray-rumped swift (Chaetura cinereiventris) is a species of bird in subfamily Apodinae of the swift family Apodidae. It is found...

The grey-fronted dove (Leptotila rufaxilla) is a large New World tropical dove. It is found on Trinidad and in every mainland South American country except...

Collar, N. (2019). "Grey-winged Akalat (Sheppardia polioptera)". In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D. A. & de Juana, E. (eds.). Handbook...

The grey-breasted mountain toucan (Andigena hypoglauca) is a Near Threatened species of bird in the toucan family Ramphastidae. It is found in Colombia...

Anatidae and the type species of the genus Anser. It has mottled and barred grey and white plumage and an orange beak and pink legs. A large bird, it measures...

Christie, D.A. (2016). Grey-faced Woodpecker (Picus canus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook...

The grey-headed chickadee or Siberian tit (Poecile cinctus), formerly Parus cinctus, is a passerine bird in the tit family Paridae. It is a widespread...

Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A.; de Juana, Eduardo (eds.). "Grey-necked Wood-rail (Aramides cajaneus)". Handbook of the Birds...

The grey-headed chachalaca (Ortalis cinereiceps) is a member of an ancient group of birds of the family Cracidae, which includes chachalacas, guans, and...

The grey wren (Cantorchilus griseus) is a species of bird in the family Troglodytidae. It is endemic to the southwestern part of Amazonas state in Brazil...

the thrush family Turdidae. The species is also known as the grey thrush or the Japanese grey thrush. The species was once split into two subspecies, with...

P. (2006). Grey-headed Canary-flycatcher (Culicicapa ceylonensis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2014)...

range the spots on the upper mandible, the lack of bright colours and the greyer plumage are distinctive. In some areas these birds nest in large colonies...

A. (2018). del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). "Key to Scientific Names in Ornithology". Handbook of the Birds...

black-winged cuckooshrike (Lalage melaschistos), also known as lesser grey cuckooshrike or dark grey cuckooshrike, is a species of cuckooshrike found in South to...

The grey-headed dove (Leptotila plumbeiceps) is a large New World dove. It is found from eastern Mexico to Colombia. The grey-headed dove, the grey-fronted...

The grey-chested dove (Leptotila cassinii) is a species of bird in the family Columbidae. It is found in Belize, Colombia, Costa Rica, Guatemala, Honduras...

E.F.J.; Boesman, P. "Grey Noddy (Procelsterna albivitta)". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). Handbook of...

The grey-cheeked parakeet (Brotogeris pyrrhoptera), less commonly known as fire-winged parakeet, is a vulnerable species of bird in the subfamily Arinae...

(2020). del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). "Grey-capped Emerald Dove (Chalcophaps indica)". Handbook of the Birds...

The grey-breasted wood wren (Henicorhina leucophrys) is a species of bird in the family Troglodytidae. It is found from Mexico to Bolivia. The grey-breasted...

Kirwan, G. M. "Grey-throated Minivet (Pericrocotus montanus)". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D. A.; de Juana, E. (eds.). Handbook...

tenuirostris)". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions. doi:10...

striata)". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions. doi:10...

The grey-breasted brown dove (Phapitreron amethystinus maculipectus) is a subspecies of amethyst brown dove in the family Columbidae. It is endemic to...