
Photo: (c) Валерия Ковалева, some rights reserved (CC BY) · CC BY 4.0
Myotis sibiricus
Diet
Insects, taken in quick, manoeuvrable low flight
Habitat
Winter roosts in mine shafts, caves, tunnels and cellars
Range
North-eastern Asia, primarily Siberia
Litter size
1, occasionally 2
Size
Forearm 33–39mm, tail 32–44mm
The Siberian whiskered myotis, or Siberian bat, is a vesper bat found throughout north-eastern Asia, primarily in Siberia. The forearm is 33–39mm and the tail 32–44mm. It has long fur for its size, pale brown with a golden sheen on the back and paler grey, sometimes yellowish, below (Wikipedia, general species account).
It is known for a long life relative to its size, about twice that of humans: in 2005 an individual was found in a Siberian cave that had been banded in 1964, making it at least 41 years old. In winter it roosts in mine shafts, caves, tunnels and cellars; some populations hibernate while others are partially migratory. It is insectivorous, foraging at low altitudes. Females form maternity colonies in summer and have a litter of one pup, occasionally two (Wikipedia, general species account).