A small bat with relatively long ears.

Native status: Native to western US

§ Quick facts

SizeBody 6–8 cm; wingspan 22–28 cm
Weight5–10 g
LifespanWild 10–15 years
OrderChiroptera
FamilyVespertilionidae

§ Encyclopedia

The long-eared myotis is a species of vesper bat in the suborder Microchiroptera. It can be found in western Canada, the western United States, and Baja California in Mexico.

Source: Wikipedia — Long-eared myotis Licensed under CC BY-SA 4.0

§ Identification

Field marks. Small brown bat with relatively long ears; pale belly.

Similar species. Other Myotis species (subtle differences).

Voice. Ultrasonic echolocation.

§ Diet & behavior

Diet. Flying insects.

Behavior. Western US bat with distinctly long ears.

§ Range

Western North America

§ Habitat

Forests, caves

§ Threats

White-nose syndrome, habitat loss.

§ Conservation status

According to the IUCN Red List, the western long-eared bat is currently classified as Least Concern.

§ What helps

Support white-nose research.

Support our work More ways to help

§ Further reading

§ Sources cited

  • Bat Conservation International
  • IUCN Red List 2018