Western Marsh Harrier

Rohrweihe - Busard des roseaux

Circus aeruginosus

Western Marsh Harrier

© Ludek + Dusan Boucny





Zugverhalten Western Marsh Harrier
Population size in Switzerland (Pairs): 0 Red list 2001:
Vulnerable VU
Migration behaviour:
long-distance migrant
Body size (cm):
52
Body weight (g):
400-800
Clutch size:
4-5
Nest site:
ground
Incubation (days):
31-38
Nestling stage (days):
35-40
Food:
frogs, birds, small mammals
Group:
raptors
Habitat:
wetlands