From: Geolocator study reveals east African migration route of Central European Common Terns
Age at recovery | Annual cycle stage | Number of recoveries | Number of recoveries with regard to direction | ||
---|---|---|---|---|---|
SW and W | SE and E | Other | |||
Juvenile | Dispersal | 6 | 2 | 4 | |
Autumn migration | 7 | 3 | 4 | ||
Immature | Wintering | 3 | 1 | 2 | |
Spring migration | 1 | 1 | |||
Dispersal/prospecting | 2 | 1 | 1 | ||
Autumn migration | 2 | 2 | |||
Adult | Spring migration | 6 | 1 | 5 | |
Autumn migration | 4 | 1 | 3 | ||
Total | 31 | 10 (32.3%) | 17 (54.8%) | 4 (12.9%) |