At first, I didn't know what I was seeing — a tiny blur at the edge of a bush in Seattle's Wedgwood neighborhood, from which emitted a dramatic, high-pitched scream. Then the scene became clear: Two ...

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 ...

The sharp, elongated bills of green hermit hummingbirds aren’t just fine-tuned for feeding; they also allow males to joust ...