And then there’s the ambiguous red belly—a hard-to-see, faint crimson color on their undersides. This makes many bird-watchers wonder if the person who named this woodpecker was seeing things.

This small bird of the desert Southwest is a hurt-your-eyes red. Females are grayer above, white below with streaks on the breast and peach-colored on the lower belly. They are found throughout ...

An Australian man thought there were six venomous red-bellied black snakes slithering in a pile of mulch in his backyard.