Table 1 Number of stomach samples from the breeding colony of kittiwakes at Helgoland which were analysed in the present study
2001 | 2002 | 2004 | 2006 | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
June | July | August | June | July | June | July | June | July | ||
Chicks | 5 | 21 | 3 | 0 | 20 | 11 | 22 | 4 | 19 | 105 |
Adults | 2 | 1 | 0 | 0 | 1 | 5 | 5 | 0 | 0 | 14 |