Alborz Lizard 
Alburzi viper 
Alcantarea imperialis 
Alcea acaulis 
Alcea dissecta 
Alcea striata 
Alcea tabrisiana 
Alchemilla haumannii 
Alchemilla orbiculata 
Alchemilla xanthochlora 
Alchisme tridentata 
Alcides aruus 
Alcimocoris japonensis 
Alcimus tristrigatus 
Alcis maculata 
Alcis nigriscripta 
Alcis praevariegata 
Alcon Blue 
Alcyonohippolyte dossena 
Aldabra flying fox 
Aldabra giant tortoise 
Aldama grandiflora 
Alder buckthorn 
Alder flea beetle