Red-sided garter snake mating ball (Image Credit: Robert Mason, professor of Zoology at the Oregon State University, from News and Communications Service at OSU)
Strange Fact 1. The annual mating of red-sided garter snakes is a tourist attraction in Manitoba, Canada. That's because when a female garter snake emerges from hibernation, she releases a pheromone that attracts hundreds of male snakes in the vicinity to rush her and create a large squirming "mating ball."
Strange Fact 2. Like many snakes, the male garter snake has two penises, called "hemipenes," on each side of its body. The male will try to use the best-positioned penis to mate with the female in the center of the mating ball.
Strange Fact 3. As if the two facts above aren't strange enough, turns out there is a "she-male" snake who releases pheromones just like the females do (and fools hundreds of other males to pile up on him/her). Why? Scientists think that this gives the she-male warmth and protection (and attention, too, I'm sure).
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