Big-eared bats

Big-eared bats

Order : Chiroptera
Family : Phyllostomidae
Subfamily : Phyllostominae
Genus : Micronycteris

 

Facts about the genus Micronycteris, the big-eared bats

” Townsend's big-eared bats are, Woodruff says, an uncommon species that's found in low numbers from British Columbia to Mexico.

1990: Townsend's big eared bats is found in the Bitter Lake National Wildlife Refuge (Bitter Lake National Wildlife Refuge, 1990) *24*.

A maternity colony of Townsend’s big-eared bats is at home here.

And in Washington state, a colony of Townsend’s big-eared bats is using a new “bat cabin” and a rebuilt building that was hauled into place by truck.

During the winter season when Rafinesque’s big-eared bats are hibernating in caves or mines, disturbance can cause them to wake and

In the ACE Basin, Rafinesque’s big-eared bats are known to inhabit Donnelley Wildlife Management Area, where they roost in an old plantation house.

PHOTOS BY MERLIN D TUTTLE Townsend's big-eared bats are exceptionally sensitive to human disturbance.

The Townsend's big-eared bats is listed as a US Fish and Wildlife and a California species of concern and a Forest Service sensitive species.

Townsend's Big-eared Bats are adept at discriminating prey from background noise using echolocation.

Townsend's big-eared bats are found throughout western North America, from British Columbia south to Oaxaca, Mexico, with two endangered subspecies in isolated areas in the Ozark and Central Appalachian regions of the United States.

Rafinesque’s big-eared bats are thought to use forest and forest edge areas for foraging, preying mostly on moths, which they frequently eat at roost sites. (Full text)

Virginia big-eared bats are pale to dark brown on the back and light brown underneath. (Full text)

This cave currently has very few hibernating bats (an 11 year average for western big-eared bats is 4 bats). (Full text)

For example, below is a Bayes net that depicts how the population of Townsend's big-eared bats is linked to various habitats being available, their temperature during Breeding times or Hibernation times, and so forth. (Full text)

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