List aves families
Acanthizidae
Inland thornbill
Accipitridae
Crested Serpent Eagle
Acrocephalidae
Sykes's warbler
Aegithalidae
Black-throated bushtit, black-throated tit
Aegithinidae
Common iora
Alaudidae
Tibetan lark, Asiatic lark, long-billed calandra lark, long-billed lark
Alcedinidae
white-throated kingfisher, white-breasted kingfisher
Alcidae
Cassin's auklet
Alcippeidae
Mountain fulvetta
Anatidae
masked duck
Anhimidae
southern screamer, Crested screamer
Anhingidae
anhinga, snakebird, darter, American darter, water turkey
Apodidae
Chestnut-collared swift
Aramidae
limpkin, carrao, courlan, crying bird
Ardeidae
Japanese night heron
Artamidae
Little woodswallow