also known as the red-billed streamertail. A type of hummingbird, the doctor bird is renowned for its glossy black and vibrant emerald plumage, red bill, and notably long tail feathers.

Some 350 hummingbird species make their home in North and South America. Brightly colored and incredibly fast, these tiny birds can hover in mid-air and even fly sideways and backward. Here are 10 ...