Wingspan
350-430 mm
Body length
67-79 mm
Forearm length
54-68 mm
Weight
28-40 g
Maximum age
22 years
Migration
migrations up to 390 km
Distinguishing marks
-
Favoured habitats
loft from buildings
Occurence in local places
rare, only one family cricle, several familys in winter
Photo: W. Oldenburg
