Add Yahoo as a preferred source to see more of our stories on Google. Hummingbirds' pugnacious nature is due to a few factors, including the fact that, to put it bluntly, they really can't afford to ...

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 ...

Hummingbirds may be tiny, but their behavior often surprises people who expect them to be gentle and easygoing. Instead of peaceful and laidback, these colorful birds can appear bold, feisty, and even ...