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Townsend's big-eared bat

A species of Long-eared bats
Scientific name : Corynorhinus townsendii Genus : Long-eared bats

Townsend's big-eared bat, A species of Long-eared bats
Scientific name: Corynorhinus townsendii
Genus: Long-eared bats
Townsend's big-eared bat (Corynorhinus townsendii) Photo By Oregon Caves , used under CC-BY-2.0 /Cropped and compressed from original

Description

Townsend's big-eared bat is a medium-sized bat (7-12 g) with extremely long, flexible ears, and small yet noticeable lumps on each side of the snout. Its total length is around 10 cm (4 in.), its tail being around 5 cm (2 in) Its wingspan is about 28 cm (11 in). The dental formula of Corynorhinus townsendii is 2.1.2.3.3.1.3.3. × 2 = 36

General Info

Lifespan

16 years

Diet

Townsend's big-eared bat is predominantly insectivorous, feasting mostly on moths and beetles. It employs a hunting technique known as 'gleaning' where it captures prey directly from surfaces, offering a dietary preference for sedentary or slow-moving species.

Appearance

Townsend's big-eared bat is a medium-sized bat with large, mouse-like ears and a distinctively shaped nose leaf. It's covered in dense fur that's greyish-brown on the back and pale beneath. Adult males exhibit a glandular swelling on the lower lip during breeding season. Townsend's big-eared bat boasts a 38cm wingspan and a long tail fully enclosed in a membrane.

Behavior

Townsend's big-eared bat is a nocturnal creature, foraging primarily for insects and spiders. This species tends to be solitary, employing echolocation for hunting and navigation. Known for its long hibernation period within undisturbed caves or mines, townsend's big-eared bat employs strict territorial behavior with males guarding roosting sites, where females gather in maternity colonies.

Population

Stable
Townsend's big-eared bat (Corynorhinus townsendii) Townsend's big-eared bat (Corynorhinus townsendii) Photo By Oregon Caves , used under CC-BY-2.0 /Cropped and compressed from original

Scientific Classification

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