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Means ±s.e. of penguin swimming and underlying current speeds for all locations of the 43 king penguin trips.
| trip phases | swimming speed (km h−1) | U-test (versus slowing-down episodes) | current speed (km h−1) | U-test (versus slowing-down episodes) |
|---|---|---|---|---|
| transit | 5.8±4.0 | p<0.001 | 0.23±0.14 | p<0.001 |
| central | ||||
| slowing-down episodes | 3.9±3.6 | 0.31±0.18 | ||
| speed-up episodes | 5.7±4.1 | p<0.001 | 0.23±0.13 | p<0.001 |
| return | 6.4±4.8 | p<0.001 | 0.24±0.14 | p<0.001 |
