Wondering about the most dangerous birds on Earth? We've compiled this list of the Top 20 scariest birds — some that have even attacked people.

When you think of poisonous animals, you don't necessarily think of birds first. Snakes, perhaps. Frogs? Maybe. Heck, even poisonous spiders probably spring to mind before birds — which, it should be ...

Add Yahoo as a preferred source to see more of our stories on Google. A southern cassowary stands on a beach at Etty Bay in Queensland, Australia. These endangered birds can live up to 50 years.

Most birds of prey are fast, large, and have sharp beaks and talons or all of the above. The wild birds on this list live in North America and have a reputation for being dangerous. Remember that most ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Birds of prey typically fit into a common mold: they are ...

Towering at five and a half feet tall, sprinting up to 31 miles per hour, and leaping up to seven feet off the ground, cassowaries are the stuff of legends. They are the third largest bird in the ...