A study finds two species of guenon monkeys in Tanzania have been mating and producing fertile offspring for generations.

A unique courtship dance clued researchers in to the fact that they had a new species on their hands.

A group of around 300 whales produced 184 distinct songs over just a few years, according to a new study.

Scientists explore why male peacock spiders are so colorful. 

Researchers document the loudest sound ever recorded in fish.

“Nature’s melodies” may be a human construct that says more about us than about the musicality of other animals.

A survey of sounds from birds to whales to fruit flies to fish

Idiot Brain, Wild Sex, Why Diets Make Us Fat, and The Ethics of Invention

Biologist Carin Bondar delivers a TED talk about the wilder side of sex.

Two sequencing studies reveal the genetics underlying the sexual behavior of the European and Asian birds.