Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Dive durations and subsequent surface period durations of five cormorants diving for sedentary and motile prey.
| 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) |
