Azara's Spinetail
Azure Tit
Azure-breasted Pitta
Azure-winged Magpie
Baglafecht Weaver
Baillon's Crake
Balearic Shearwater
Balicassiao
Bananaquit
Band-backed Wren
Band-tailed Antbird
Band-tailed Guan
Band-tailed Pigeon
Banded Bay Cuckoo
Banded Kestrel
Banded Martin
Bar-backed Partridge
Bar-bellied Cuckooshrike
Bar-breasted Firefinch
Bar-crested Antshrike