regular, common migrant and winter visitor, extremely rare breeder
Population size in Switzerland (Pairs):
(2003-2007) |
Red List CH:
Vulnerable |
Migration behaviour:
predominantly short-distance migrant |
| Length (cm):
42-50 |
Weight (g):
600-1150 |
Clutch size:
6-15 |
| Nest site:
cavities |
Incubation (days):
30 |
Nestling stage (days):
57-66 |
| Food:
insects |
Groupe:
Wildfowl |
Habitat:
lakes, rivers & streams |