Northern long-eared bat (Myotis septentrionalis)
Identification
Total Length |
3 to 4 inches (7.7-10.1 cm) |
Weight |
5 to 10 grams |
Wingspan |
8.6 to 10.2 inches (22-26 cm) |
Back fur color |
Medium to dark brown |
Belly fur color |
Tawney, grayish to pale brown |
Tragus |
Very long and slender |
Distinguishing characteristics |
Ears extend beyond nose when laid forward |
Roost Pattern |
Solitary or very small groups |
Habitat
- Found in caves, cavities in live and dead trees, loose bark, rock crevices, mines, building and other man-made structures
Food Habits
- Usually emerges at dusk
- Feed on flying insects such as moths, flies, spiders, leafhoppers, and beetles
- Forage within the forest canopy and are able to glean insects from vegetation.
Range
- Southern Yukon Territory to eastern British Columbia east through all Canadian provinces to the Atlantic Ocean, south through much of the eastern and north central United States.
Range Map from USFWS Northern Long-eared Bat Interim Conference and Planning Guidance, January 6, 2014
Reproduction
- Mating occurs in fall
- Young born in mid-May to mid-July
- Litter size 1 pup
- Young able to fly at 3 to 5 weeks of age
- Maternity colony size ranges from 30 to 60 individuals including females and young