Table 1.
prey type | sedentary | motile |
n | 594 | 296 |
dive duration | ||
mean±s.e.m. | 16.9±0.2 | 20.6±0.5 |
range | (6.3–34.0) | (3–49.8) |
duration of surface-period | ||
mean±s.e.m. | 13.3±0.3 | 13.7±0.5 |
range | (2.3–71.5) | (0.5–127.0) |
prey type | sedentary | motile |
n | 594 | 296 |
dive duration | ||
mean±s.e.m. | 16.9±0.2 | 20.6±0.5 |
range | (6.3–34.0) | (3–49.8) |
duration of surface-period | ||
mean±s.e.m. | 13.3±0.3 | 13.7±0.5 |
range | (2.3–71.5) | (0.5–127.0) |