PhysOrg Posted February 8, 2018 Share Posted February 8, 2018 When male animals compete over mates, it's often a showy affair: think of elk tangling antlers or tom turkeys strutting and gobbling. But for a Costa Rican hummingbird, it seems mental prowess holds the edge over mere physical flamboyance. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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