Crossing a beach to get to the sea, a two-foot-tall Humboldt penguin waddles over what appears to be a cluster of large boulders. Suddenly one of the rock-like objects rises up and barks! The penguin ...

The yellow-footed rock wallaby is a marsupial—a pouched mammal—belonging to the same family as the kangaroo. This rock wallaby lives in mountain habitats in isolated portions of Australia. The ...

You probably know sea stars as starfish, the name sea stars are commonly known by. But sea stars aren’t really fish. Sea stars, like sea urchins and sand dollars, do not have backbones, which makes ...

Looking for berries and seeds to eat, a group of California quail struts down a dirt road. The floppy black feathers that stick out of their heads quiver as they go. These birds chirp to each other ...

The head louse makes itself at home on the human scalp, eyebrows, and eyelashes, which is where you’ll find this annoying parasite. An estimated six million or more children are infested each year in ...