Yuma Myotis

Yuma myotis (Myotis yumanensis) are medium-sized bats that live in southern BC. Yuma myotis and little brown myotis are similar in appearance and are often mistaken for one another. Sometimes, they even roost together in mixed-species colonies, particularly in human-made bat boxes. To differentiate between the species, biologists conduct an acoustic bag test, where a…