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In Photos: Cave Insects With Sex-Reversed GenitalsFemales with penislike genitals and males with vaginalike organs are cases of a new extreme reversal of sex roles researchers have discovered in little-known cave insects.
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Panda Sutra – the Ups and Downs of Getting Grumpy Bears to Have SexOpinion The reason why pandas are going extinct is nothing to do with their cycles. It is because so much of their natural environment has been destroyed.
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Animal Sex: How Tasmanian Devils Do ItTasmanian devil mating involves a lot of aggression, battles for dominance and infidelity.
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Animal Sex: How Dragonflies Do ItDragonfly mating involves violent battles, flashy courtship dances and heart-shaped coitus.
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Animal Sex: 7 Tales of Naughty Acts in the WildFrom small and subtle to large and in charge, sex in the animal kingdom is just as varied as the beasts themselves.
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Animal Sex: How Bats Do ItBat sex involves unique behaviors not seen in other mammals, including swarming, honking and oral sex.
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Animal Sex: How Peafowls Do ItPeafowl sex is a sight to behold, involving brilliant train displays, rattles and hoot dashes. Once the peacock and peahen have mated, they go their separate ways.
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Animal Sex: How Worms Do It -
Ouch! Hermaphrodite Sea Slug Stabs Mate in Head During SexLots of animals take part in what humans might consider bizarre mating tactics, but one sea slug might take the cake: it stabs its partner in the head.
