O
Oak Titmouse - Baeolophus inornatus - Mésange unicolore
Ocellated Poorwill - Nyctiphrynus ocellatus - Engoulevent ocellé
Ocellated Turkey - Meleagris ocellata - Dindon ocellé
Ochre-fronted Antpitta - Grallaricula ochraceifrons - Grallaire à front ocre
Ochre-marked Parakeet - Pyrrhura cruentata - Conure tiriba
Oilbird - Steatornis caripensis - Guacharo des cavernes
Olive-backed Pipit - Anthus hodgsoni - Pipit à dos olive
Olive-sided Flycatcher - Contopus cooperi - Moucherolle à côtés olive
Orange-crowned Warbler - Leiothlypis celata - Paruline verdâtre
Orange-flanked Bush-Robin - Tarsiger cyanurus - Robin à flancs roux
Orange-footed Scrubfowl – Megapodius reinwardt – Mégapode de Reinwardt
Orange Fruit Dove - Ptilinopus victor - Ptilope orange
Orange-winged parrot – Amazona amazonica – Amazone aourou
Orangequit - Euneornis campestris - Pique-orange de la Jamaïque
Orchard Oriole - Icterus spurius - Oriole des vergers
Oriental Cuckoo - Cuculus optatus - Coucou oriental
Oriental Darter - Anhinga melanogaster - Anhinga roux
Oriental Greenfinch (Grey-capped Greenfinch) - Chloris sinica - Verdier de Chine
Oriental Magpie Robin – Copsychus saularis – Shama dayal
Oriental Pratincole - Glareola maldivarum - Glaréole orientale
Oriental Scops-Owl - Otus sunia - Petit-duc d’Orient
Oriental Stork - Ciconia boyciana - Cigogne orientale
Oriental Turtle-Dove - Streptopelia orientalis - Tourterelle orientale
Oriente Warbler - Teretistris fornsi - Paruline d’Oriente (Family Uncertain)
Orinoco Goose - Neochen jubata – Ouette de l’Orénoque
Ornate Hawk Eagle - Spizaetus ornatus – Aigle orné
Osprey – Pandion Haliaetus – Balbuzard pêcheur
Ostrich – Struthio camelus - Autruche d’Afrique
Otago Shag or Bronze Shag- Leucocarbo chalconotus - Cormoran bronzé
Ovenbird – Seiurus aurocapilla – Paruline couronnée