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.

These birds can act quickly when they feel any danger. Some take flight instantly while others may drop into a defensive posture or launch a preemptive strike.

Birds are some of nature’s most beautiful creatures — but a few of our feathered friends are truly bizarre — like these 25 weirdest birds in the world.

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.

Add Yahoo as a preferred source to see more of our stories on Google. With sharp talons, powerful beaks, and incredible speed, birds of prey are among North America’s most formidable hunters. While ...

They are fast and dangerous but these birds of prey are also supremely weird. Here's 12 of the oddest hunters of the sky ...

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 ...