January marks the start of coyote mating season in Connecticut, a time when the animals become bolder and more territorial, ...

A new study finds that warming temperatures are causing Antarctic penguins to breed earlier, threatening some species with extinction by century's end.

Be it unique defense mechanisms, hunting techniques, or mating habits, strange animal behaviors are a part of evolution. This ...

There are few things more joyful, if occasionally nerve-wracking, than having a pet in your home. And plenty of people agree.

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

Two wombs, a forked penis, and giving birth through the nose. These are just a few of the bizarre stories circulating about ...

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

WorldAnimalFoundation.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More If you have been in the aquarium hobby for a while, you ...

Nature doesn’t always play by the rules. For every majestic lion or elegant eagle, there’s a creature so bizarre it looks like a science experiment gone rogue. Some animals are evolutionary oddities, ...

A Surinam toad camouflages itself by dead leaves (credit: Getty Images) A South American frog whose young erupt from the mother’s back. Called (confusingly) the Surinam toad, it is the most ...