Scans
- Acanthixalus sonjae
- Acanthocybium solandri
- Aceratherium mite
- Acontias percivali
- Acontias plumbeus
- Acrocephalus arundinaceus
- Acrochordus granulatus
- Adapis magnus
- Adenomera andreae
- Adenomus kelaartii
- Aegyptocetus tarfa
- Aepyceros melampus
- Afrixalus aureus
- Afronatrix anoscopus
- Afrotyphlops schlegelii
- Agama agama
- Agkistrodon contortrix
- AIluropoda melanoleuca
- Ailurus fulgens
- Albericus darlingtoni
- Alcalus tasanae
- Alcedo atthis
- Alectura lathami
- Alligator mississippiensis
- Allobates kingsburyi
- Allodesmus kernensis
- Allophryne ruthveni
- Allothunnus fallai
- Alopoglossus copii
- Alouatta palliata
- Alsodes nodosus
- Altiphrynoides malcolmi
- Alytes obstetricans
- Amazilia tzacatl
- Amazona guildingii
- Amblyrhynchus cristatus
- Amblysomus
- Ambulocetus natans
- Ambystoma dumerilii
- Ambystoma gracile
- Ambystoma maculatum
- Ambystoma mexicanum
- Ambystoma tigrinum
- Ameerega parvula
- Amphiesma stolatum
- Amphiglossus splendidus
- Amphisbaena fuliginosa
- Amphiuma means
- Amphiuma pholeter
- Amphiuma tridactylum