Were there any females there to start with? I mean, if all they had were male penguins, isn't it possible that they are naturally hetero penguins, and just didn't know what to do when their instinct to mate kicked in? They should have allowed the placement of female penguins, not to "prove" anything, but just to see what would have happened.
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"She hated people who thought too much.
At that moment, she struck me as an appropriate
representative for almost all mankind." - Kurt Vonnegut Cat's Cradle
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