various species
Bats have sharp teeth and highly sensitive ears/Jackie Ferrier USFWS
Eight species of bats have been recorded at Willapa National Wildlife Refuge, including little brown myotis, Yuma myotis, long-eared myotis, long-legged myotis, California myotis, silver-haired bat, big brown bat and hoary bat. These small nocturnal mammals have an exceptional appetite for insects. Roosting in hollow trees, rock piles, caves and the bark of large trees by day, bats become active at dusk or dark. Most bats first seek water to get a drink before beginning to hunt, making streams and ponds a good place to watch for these flying mammals. Bats use high frequency sound and highly sensitive ears to locate prey in a process known as “echolocation”, an organic form of radar. Bats distribute themselves throughout the landscape utilizing different roost sites, feeding locations, types of prey and time of night. Most species hunt once early, go back to the roost to rest and digest, and then return to hunt an additional time before dawn. As native habitat has decreased, many species of bat have adapted to roosting in buildings and corrugated roofing material.

Facts About Bats

Some, like the Hoary bat, migrate south for winter

Are highly acrobatic flyers

Can catch enough insects to fill up in a matter of minutes