15 Amazing Facts About 15 Birds

From brilliantly colored hummingbirds to farting thrushes, birds are among the most beautiful and bizarre animals on Earth. With over 9000 species, our fine feathered friends inhabit almost every inch of the planet, making their homes in the frozen expanses of the polar regions, the humid rainforests of South America, and every climate in between. Here are 15 amazing facts you might not know about 15 amazing bird species.