Animals also choose their mates, sometimes with a great deal of care. Mating systems are important to understand because they reflect the result of natural selection on mate choice, and ultimately ...

Kate Rodriguez-Clark is an animal matchmaking guru. Among her responsibilities as a population ecologist for the Smithsonian, ...

One reason for that could be that the full complexity of animal mating systems has only become clear thanks to genetic studies, notes Antica Culina, a senior scientist at the Ru?er Bošković Institute ...

For two weeks every mating season, a male will mate as much ... That little crustacean has proportionally the longest penis of any animal on earth spanning up to 10 times his body size.

In some animals, frogs for instance ... In this species (as with most birds), a male can't force a female to mate. Like a solo rock star, he must devise a bower, song, and dance that wows the ...