Lesser Mouse-eared Bat
Myotis blythii

The lesser mouse-eared bat or lesser mouse-eared myotis is a species of insectivorous bat in the family Vespertilionidae. This species has a wide distribution from the Iberian Peninsula to China. Source
Where it is now
In the last 8 weeks this bat was recorded 98 times across 1 area (each area is a 5 degree square).
See the Lesser Mouse-eared Bat on the live map
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 |
|---|---|---|---|---|
| Europe | 24 August 2026 | 24 August 2026 | 14 September 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.