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 
Andraemon Skipper 
Andranolava Reed Frog 
Andrena crocusella 
Andrena melittoides 
Andrena pyropygia 
Andricus coronus 
Andricus foecundatrix 
Andricus nigricens 
Andricus quercuscalicis 
Andricus quercusflocci 
Andricus quercusformosus 
Andricus quercustozae