Townsend's big-eared bat is a medium-sized bat (7–12 g) [2] 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) and its wingspan is about 28 cm (11 in).

This bat's long ears (over 2.5 centimeters) and facial glands on either side of the snout are quite distinctive. Fur is light to dark brown depending upon the age of the individual and the subspecies. The only other eastern bat that resembles the Ozark or the Virginia big-eared bat is P. rafinesquii (Rafinesque's big-eared bat).

The Ozark big-eared bat, Corynorhinus townsendii ingens, is a regionally endemic subspecies of the Townsend's big-eared bat, which is a temperate, insectivorous bat that uses caves year-round.

May 6, 2020 · Townsend's big-eared bats, previously called lump-nosed bats, are a medium-sized bat with very long ears. Their fur is pale gray or brown above and buff colored on the underside. This bat's ears are enormous, reaching a length of 38 mm.

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.

Townsend's big-eared bat can be found in mines, caves, and large rock cavities to elevations above 9,500 feet where they form maternity colonies that may number into the hundreds in rare cases. They often hang near the entrances to roosts, in the "twilight zone."

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).

Sep 11, 2023 · These bats inhabit gypsum caves found throughout northern Texas and are common in caves and mine tunnels of the Trans-Pecos. Townsend's big-eared bats hibernate throughout their range during winter months when temperatures are between 0°C and 11.5°C.

The Townsend’s big-eared bat has large rabbit-like ears and two lumps (pararhinal glands) on its snout. It’s a cavity-dwelling bat, typically found roosting in caves or mines. Ears erect when alert, curl like ram horns at rest or during hibernation.

Townsend’s big-eared bats are one of a handful of low-intensity echolocation species colloquially referred to as "whispering bats." Two subspecies of Townsend's big-eared bat, the Ozark big-eared bat and the Virginia big-eared bat, are on the US federally endangered list.