A stocky, medium-sized hummingbird, the Anna’s has a straight, short bill and a broad tail that extends past the wings. With bold, metallic greens above a gray belly, Anna’s is the only North American ...

If you want to start a spirited but friendly argument between birders, just ask a group to identify a rufous or an Allen’s hummingbird. You might as well send out for food, because the debate could ...