The eastern small-footed bat (Myotis leibii) is a species of vesper bat. It can be found in Ontario and Quebec in Canada and in the Eastern United States. It is among the smallest bats in eastern North America and is known for its small feet and black face-mask. Until recently all North American small-footed Myotis were considered to be "Myotis leibii". The western population is now considered to be a separate species, Myotis ciliolabrum. The Eastern small footed bat is rare throughout its range, although the species may be locally abundant where suitable habitat exists. Studies suggest white-nose syndrome has caused declines in their populations. However, most occurrences of this species have only been counted within the past decade or two and are not revisited regularly, making their pop