Fringed Bat
Myotis thysanodes
The fringed myotis is a species of vesper bat that is found in British Columbia, Mexico, and the western United States. Source
Where it is now
In the last 8 weeks this bat was recorded 50 times across 3 areas (each area is a 5 degree square).
See the Fringed Bat on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in North America ranged from 34°N in August to 44°N in August, about 1,000 km apart.
Arrival dates
The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| North America | 22 June 2026 | 22 June 2026 | 3 August 2026 | 1 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.