sandgrubber Posted June 29, 2013 Share Posted June 29, 2013 Came across a great video based on a study of reproductive success of wolves in Yellowstone National Park. The background includes lovely photography. See: http://www.youtube.com/watch?feature=player_embedded&v=B95eb-M4XPI They found body mass of female and pack size / number of helpers were best predictors. Interestingly, they found greys have more pups than blacks, but black pups seem to thrive better than grey. Link to comment Share on other sites More sharing options...
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