All letters

Scientific names: O

Sorted by the recovered historical scientific name. The English common name appears beneath it.

• odontophorus capueira Spot-winged Wood-Quail Release-level evidence
• onychorhynchus coronatus Royal Flycatcher
• orchesticus abeillei Brown Tanager
• oreophylax moreirae Itatiaia Thistletail
• ornithion inerme White-lored Tyrannulet Release-level evidence
• ortalis guttata Speckled Chachalaca First in Disc 1 (2011)
• orthogonys chloricterus Olive-green Tanager
• oryzoborus angolensis Lesser Seed-Finch
• oryzoborus maximiliani Great-billed Seed-Finch
• otus atricapillus Black-capped Screech-Owl Release-level evidence
• otus choliba Tropical Screech-Owl Release-level evidence
• otus sanctaecatarinae Long-tufted Screech-Owl First in Disc 1 (2011)
• oxyruncus cristatus Sharpbill