Posted by The film clip below shows a pack of killer whales co-operating to catch a seal. First, they break up the ice floe on which their prey is standing, and push it out into open water. Then, they create large waves to knock the seal into the water.
This kind of behaviour has been observed in killer whales before, and is apparently passed on from one generation to the next.
Read more at Nature News.
December 17, 2007
December 20, 2007