LiveScience Topic:
Animal Sex
From an evolutionary and biological perspective, animals are driven to have sex in order to procreate. But there is a lot more to sexual relations between animals. Animal sex is at least as strange and varied as human sex. A male might copulate with many females. And female animals of many species can be choosy, too. Homosexuality is common. Monogamy is rare. And the animal kingdom is full of swingers. In short, with animals, sex can be wild.
Nudibranch, a species of mollusk that maintains two sexes at once, use an easily regenerated, disposable penis to have frequent sex
Nobody wants to get caught cheating, baboons included.
One alpha male has access to many females, while other males must quietly cheat to get any sex.
While barnacles have extra-long penises to transfer sperm to other stationary barnacles, they broadcast sperm to reproduce with more distant mates
Two species of pit vipers had litters in the wild without help from a mate.
Compared with their monogamous counterparts, promiscuous mice have developed a much more robust immunity.
Yes, this newly discovered fish sports its sex organ on its chin.
Why sea slugs put up with penis spines and syringe-like appendages.
This week we found some exceptionally cool stories from outer space, with a few thrown in from around our home planet. Check these out.
Journalists and scientists should avoid drawing human conclusions from animal studies, they say.
Males' copulation clicks out them to bat predators.
Long sex sessions leave dumpling squid vulnerable to predators.
Some 47 million years ago, these mating turtles were likely killed by toxic gases.
The little mating turtles likely died from toxic gases as they sank into an ancient lake.
A polar explorer on Captain Scott's 1910 expedition observed "shocking" penguin behaviors.
The report was considered too explicit to be published nearly 100 years ago.
Grasping antennae evolved in male water bugs to hold reluctant females
Cloning helps corals colonize habitats far and wide
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