Big Brown Bat

Eptesicus fuscus

Big Brown Bat (Eptesicus fuscus) is a North American mammal tracked by wildlife rehabilitators, sanctuaries, field biologists, or land-stewardship programs. Field identification usually centers on coat color, age class, body size, tail shape, ear shape, molt, and melanistic or albino variation where it occurs. Records often need diet, den or roost context, injury source, parasite findings, rabies-vector handling rules, or release-site notes.

In wildlife records, this label keeps big brown bat separate from broader catch-all categories and from domestic look-alikes. Track source, locality, life stage, permits when relevant, health findings, and the observed color form rather than forcing a generic entry; that keeps releases, transfers, husbandry notes, and future image prompts auditable for Big Brown Bat.