Animal IQ

The Wild World Of Intersex Animals

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There's a lot of talk about sex and gender in humans, but what about animals? It turns out that the strict male-female gender binary rarely holds up in the animal kingdom—some have more than two sexes, some have only one, and some can change depending on the circumstances. Learn about them in the video below.

Intersex Across The Animal Kingdom

You're born either XX or XY, right? Not so fast.

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Weird Animal Sex Facts

And you thought giraffes were so cute.

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Four Weird Ways Animals Have Sex

Never heard of "traumatic insemination"? We may have ruined your day.

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