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Animal Sex: How Sea Hares Do ItSea hare sex involves hermaphrodites, mating chains and lengthy mating events.
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No Boys Allowed: Snake Mom Has 'Virgin Birth'A female water snake in Missouri can do something that no human woman can (no matter how badly she might want to).
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#JunkOff: Why Animal Genitals Are Important to ScienceA Twitter hashtag, #JunkOff, illustrates the steamier side of biology — and its importance to understanding evolution.
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Animal Sex: How Hyenas Do ItThe complicated world of hyena sex involves social hierarchies, weird and potentially dangerous courtship rituals and female pseudopenises that make forced sex impossible.
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Animal Sex: How Butterflies Do ItWhen it comes to sex, are butterflies as nurturing and gentle as they appear to be, or is there a more aggressive side to their mating?
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Black Widows Wreck Mates' Webs, Get Away With ItBlack widow males destroy large sections of their mates' webs in order to ward off potential rivals.
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Photos of the Northern Giant Mouse LemurCheck out these images of the northern giant mouse lemur, Mirza zaza, which has the largest testis relative to body size of any primate.
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Spidey Senses Tingling! Arachnids Feel Sex -
Animal Sex: How Antechinuses Do ItAntechinus sex involves ambushes, intermittent copulation lasting 14 hours and ultimately suicide.
