Alchisme tridentata 
Alcides aruus 
Alcimocoris japonensis 
Alcimus tristrigatus 
Alcis maculata 
Alcis nigriscripta 
Alcis praevariegata 
Alcon Blue 
Alcyonohippolyte dossena 
Aldabra flying fox 
Aldabra giant tortoise 
Alder flea beetle 
Alder Leaf Beetle 
Alder Leaf Gall Mite 
Alder Moth 
Alder Spittlebug 
Alder sucker 
Alebra aurea 
Alebra rubra 
Alesa lipara 
Aleucosia colona 
Aleuron iphis 
Alewife Floater 
Alex palparia