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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Written by
Curiosity Staff
October 13, 2016
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