Birds are amazing animals. They've adapted to live in environments throughout the world. They're an extremely diverse group. Most fly, but many don't. Some are herbivores and some are carnivores. Some are shy and some are fearless. This list is full of the coolest birds on earth, from the fierce to the beautiful to the bizarre.All of these cool bird species have a special talent or distinguishing feature that makes them unique — whether that's reaching speeds of 200 miles per hour or migrating more than 40,000 miles per year. Explore the world of interesting birds, and vote for the bird you think is the greatest.