Killer whales stop reproducing in their 30’s or 40’s and - TopicsExpress



          

Killer whales stop reproducing in their 30’s or 40’s and dedicate the rest of their lives to looking after their children and grandchildren. Sons and daughters do not disperse from their social group and live with their mother their entire lives. A male killer whale will go to another group to mate with a female there, but will return to his mother’s group. Researchers expect to find that having a female around who no longer reproduces greatly increases the chances of children and grandchildren surviving. Read more: bit.ly/19VFN5E Image Credit: Robert L. Pitman, NOAA Fisheries, USA
Posted on: Fri, 18 Oct 2013 12:35:32 +0000

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