Taxon
- Abies1 objects
- Accipitridae1 objects
- Acipenser transmontanus6 objects
- Acipenseridae2 objects
- Actinopterygii24 objects
- Adiantum pedatum3 objects
- Aechmophorus occidentalis9 objects
- Anatidae173 objects
- Anodonta2 objects
- Anodonta nuttalliana1 objects
- Anser albifrons1 objects
- Anseriformes133 objects
- Antalis pretiosum1 objects
- Antilocapra americana1 objects
- Apocynum32 objects
- Apocynum cannabinum3 objects
- Artiodactyla117 objects
- Asio1 objects
- Aves73 objects
- Branta canadensis33 objects