Wingspan
262-292 mm
Body length
45-58 mm
Forearm length
36,5-43,5 mm
Weight
6-13,5 g
Maximum age
23 years
Migration
migrations up to 300 km
Distinguishing marks
edges of ears grown together on basis
Favoured habitats
buildings, bat house
Occurence in local places
very rare , so far single findings
Photo: W. Oldenburg
