Birds · Scientific names
Scientific names: O
Sorted by the recovered historical scientific name. The English common name appears beneath it.
- odontophorus capueira Spot-winged Wood-Quail
- onychorhynchus coronatus Royal Flycatcher
- orchesticus abeillei Brown Tanager
- oreophylax moreirae Itatiaia Thistletail
- ornithion inerme White-lored Tyrannulet
- ortalis guttata Speckled Chachalaca
- orthogonys chloricterus Olive-green Tanager
- oryzoborus angolensis Lesser Seed-Finch
- oryzoborus maximiliani Great-billed Seed-Finch
- otus atricapillus Black-capped Screech-Owl
- otus choliba Tropical Screech-Owl
- otus sanctaecatarinae Long-tufted Screech-Owl
- oxyruncus cristatus Sharpbill
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