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They do indeed! Although dolphins are pretty evil with one another as well...

Yeah when some of the esoteric junkies tell me how enlightened they are I always point to the fact that they are known to gang rape ...so much for spiritual beings :P

Indeed. And don't get me started of bloody meerkats...

Wait, who's gang raping who?

Dolphins sometimes rape and it is not limited to the male female dynamic either.

Ahhh. Gotcha. The animal kingdom is remarkable, rape or not. Crows, elephants, octopus, rats, dogs.. Humans only understand minute capabilities other creatures truly have., ie. multi-layered problem solving skills. Let alone outside this planet. :)