The smallest is the red footed booby. It is 25 inches long. The brown booby is dark brown with a white belly. It is about 30 inches long. Another species is the Peruvian booby.
Boobies have long bills and tails and wings that close around their bodies.
The booby lives on tropical and subtropical islands all over the world. All species except the red foot booby build their nests on the ground. The red footed booby builds its nest in the trees. The booby likes to eat fish so they live near the coast. They are excellent divers.