Fringed Myotis

The fringed myotis gets its name from the fringe on its tail membrane

The fringed bat (Myotis thysanodes) in British Columbia has been designated as blue listed (at risk). The fringe of hairs on the outer edge of the tail membrane can be seen with the unaided eye and is a distinguishing feature of this species.

Map

Biodiversity Interactive Map - Fringed Myotis

Range

• South through the western United States to Veracruz and Chiapas in southern Mexico
• Western North America,  Southern  British Columbia
• Lower Columbia River, Creston Valley

Habitat

• Primarily at low elevations from valley bottom to approximately 1500 meters in upland, wetland, dry land and riparian habitats
• Roosts in caves, mines, rock crevices and buildings. Nursery colonies occur in caves, mines, rock crevices and sometimes buildings

Reproduction

• Copulates in fall; ovulation, fertilization, and implantation from late April to mid-May; gestation 50-60 days; births late June to mid-July. Litter size is one.
• Parental care, nurses young

Listing and Date

Threats to Species

• Decline of insect populations (perhaps caused by pesticide use)
• Habitat loss and modification
• Collecting of bats for scientific purposes

Select Reports

• 2007 West Kootenay Fringed Myotis Project

For more information on this species, visit The Species at Risk Public Registry and/or, The BC Species and Ecosystem Explorer where you should enter “fringed myotis” in the Species Name field.