Competition from other lizard species may be a threat, as well.

It may be the most endangered species of lizard on earth.

The island has just one kind of butterflies and two lizard species to call its own.

The 235 lizard species found in Colombia represent 13 families.

The only land reptiles are a few species of lizard.

It is one of many lizard species known to be parthenogenic.

Males in some lizard species can choose the female they want to mate with.

Lizards: An unidentified species of lizard appears in the game.

Florida now has more exotic lizard species than there are natives in the entire Southeast.

Canada is home to six species of lizard, all living along the southern border with the United States.