What drove killer whales' dramatic behavior this year? nbcnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nbcnews.com Daily Mail and Mail on Sunday newspapers.
Grey whales have been experiencing major population swings as a result of changing Arctic conditions – but only now have scientists worked out why the Eastern
CORVALLIS, Ore. Gray whales undergo substantial “boom-and-bust” population cycles in response to shifting Arctic conditions, new research reveals. Since the 1980s, scientists have observed three significant die-offs in the eastern North Pacific gray whale population.
Orcas May Be Teaching Each Other How to Brutalize Blue Whales yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.