From: Sperm collection in Black-legged Kittiwakes and characterization of sperm velocity and morphology
No specific behaviour | Female begging for food | Male about to mount | Copulation occurred recently | Row totals | |
---|---|---|---|---|---|
Successful collection | 19 22.4% 24.8% | 5 5.9% 5.4% | 4 4.7% 1.6% | 0 0% 1% | 28 |
Unsuccessful collection | 45 52.9% 50.5% | 9 10.6% 11% | 0 0% 3.2% | 3 3.5% 2.3% | 57 |
Column totals | 64 | 14 | 4 | 3 | 85 |