http://www.nytimes.com/2012/07/03/science/traffic-in-sri-lankas-waters-threatens-blue-whales.html?pagewanted=all&_r=0
SWIMMING AND OTHER WATER ACTIVITIES
- Whales swim by moving their flukes up and down.
- Breaching - When a whale jumps high out of the water and slaps the water as it comes back down.
- Done for play or to loosen skin parasites.
- Logging -The whale lies still at the surface of the water and rests.
- Whales love to be social and play with each other.