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 ...
The male Allen’s hummingbird has warm rusty-orange flanks, breast band, face, neck, and tail, as well as a green back and crown. They often have a rusty-orange rump, and sometimes show rusty-orange at ...