Tricolored Bat
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Perimyotis subflavus
Scientific name translation: "Near mouse-eared", "Somewhat yellow" |
Description
Tricolored bats are one of the smallest bats in eastern North American, and have relatively large wings for their body size. Their name refers to the three distinct color bands on each hair follicle: the dark base, the pale middle, and the dark tip. Juveniles of this species are much darker and grayer than adults. P. subflavus head and body length ranges from 40–48 mm, tail length that ranges from 36–45 mm, ear length that ranges from 13–15 mm, and forearm length that ranges from 31–35 mm.
Distribution
Tricolored bats roost in forested habitats and were first documented expanding their range into South Dakota in 2004, their current distribution and summer habitat use in South Dakota are unknown. In non-winter months, P. subflavus roost in live and dead leaves in live or dead hardwood trees.
Ecology
Tricolored bats emerge from hibernacula and typically give birth to two young sometime between May and July. Young are considered juveniles or subadults when entering first hibernation, most likely don't mate their first fall. Females have high site fidelity, meaning they will return to the same summer roosting locations every year.
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