Let's get one thing out of the way: All hummingbirds fight. Most species fight for food, using their tiny bodies and sharp bills to force competitors away from flowers. But the green hermit ...

Let’s get one thing out of the way: All hummingbirds fight. Most species fight for food, using their tiny bodies and sharp bills to force competitors away from flowers. But the green hermit ...

Add Yahoo as a preferred source to see more of our stories on Google. A green hermit hummingbird in Costa Rica. (Dan Kitwood/Getty Images) The iridescent green hermit hummingbird is known for its ...

If you're lucky enough to be visited by hummingbirds, you've probably spent many a moment marveling at them as they go about their busy lives. And who could blame you? They are some of the animal ...