The stench was once thought to originate from plants, but scientists have now pin-pointed its true origin.
A male Olive-backed Euphonia (
Euphonia gouldi), photographed in Costa Rica.
Birds spend a lot of time and energy singing, but they don't do it the same way in every season of the year. And some can't sing at all. What's the purpose of birdsong?
Up to half of insect sex can involve two males but our study suggests it's probably less design and more a case of mistaken identity.
You might dress like this once a year, but for eclectus parrots it’s a way of life.
Doug Janson/Wikimedia Commons
From mistletoebirds, to bush turkeys, to the festively plumaged eclectus parrot, Australian birds can more than hold their own when it comes to embracing the Christmas spirit.
Some fish build sandcastles to attract a mate but others just use sneaky tactics.
All shapes and sizes.
New research uncovers the role of the primate baculum and may explain why humans don’t have one.
Researchers have found the first evidence that dinosaurs grew unusual features like crests and horns as a way of attracting a mate.
Xing Lida and Yujiang Han
Researchers believe newly uncovered fossils suggest some dinosaurs had similar courtship practices to modern birds. But can ancient footprints really reveal so much?
Biting your partner’s nose - a winner for birds, not always for humans.
From dancing to giving presents, animals have evolved some effective and surprisingly familiar ways of wooing a mate.
Look at me! They’re not called peacock spiders for nothing.
Biologists, along with most of the internet, have been puzzled as to why peacock spiders have such flamboyant courtship displays. So we decided to find out.
Your beak’s in my ear, darling.
Animals can be remarkably reminiscent of humans when it comes to relationships – changing behaviour, eating habits and even friends for the sake of their mates.
For glory, not sex.
Pachycephalosaurus is famous for its appearance in the movie Jurassic Park: The Lost World, where one is shown battering a man and his car. To achieve the feat the dinosaur used its greatly-thickened skull…