| 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 |
