Andean motmot 
Andean negrito 
Andean Parakeet 
Andean poison frog 
Andean siskin 
Andean slaty thrush 
Andean Snail-Eater 
Andean solitaire 
Andean squirrel 
Andean swallow 
Andean swift 
Andean teal 
Andean Tinamou 
Andean tit-spinetail 
Anderson's Short-fingered Gecko 
Andersson Robber Frog 
Andes giant glass frog 
Andinobates victimatus 
Andranolava Reed Frog 
Angel's chameleon 
Angelfish 
Angelshark 
Angola colobus 
Angolan batis