You probably don't worry too much about birds (other than what birds are at your feeder). However, around the world there are ...
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.
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.