Giraffe-necked weevils | Madagascar
Giraffe necked weevils long necks help them to fight and mate.Tweet
Langurs free-running in the city | Planet Earth II
An alpha male langur takes part in a high speed chase across city rooftops to defend his females from marauding younger males.
An Alligator's Song | Natural World
Male alligators serenade females by emitting a low frequency bellow.