The Painted turtle (Chrysemys picta) is the most widespread native turtle of North America. Fossils show that the painted turtle existed 15 million years ago. In the traditional tales of Algonquian tribes, the colorful turtle played the part of a...
The Western fence lizard (Sceloporus occidentalis) is a common lizard found in the western United States and northwestern Mexico. As the ventral abdomen of an adult is characteristically blue, it is also known as the blue-belly.
Western rattlesnake, commonly known as the (northern) Pacific rattlesnake, is a venomous pit viper species found in western North America from the Baja California Peninsula to the southern interior of British Columbia.
The desert horned lizard (Phrynosoma platyrhinos ) is a species of phrynosomatid lizard native to western North America. They are often referred to as "horny toads", although they are not toads, but lizards.
The California mountain kingsnake (Lampropeltis zonata ) is a species of nonvenomous colubrid snake that is endemic to North America. It is a coral snake mimic, having a similar pattern consisting of red, black, and yellow on its body, but the snake...
The Great Basin Gophersnake (Pituophis catenifer deserticola) is a subspecies of nonvenomous Gopher snake. It is found in parts of western United States and adjacent southwestern Canada and is often mistaken for the Prairie rattlesnake.
The Sharp-tailed snake (Contia tenuis) is a small non-venomous snake in the family Colubridae. It can be found only in the Western United States and British Columbia.
The Western yellow-bellied racer (Coluber constrictor mormon) is a subspecies of the Eastern racer. It is nonvenomous and is not dangerous to humans.
The Great Basin rattlesnake (Crotalus lutosus) is a venomous pit viper species found in the United States. It was first formally named by Laurence Monroe Klauber in 1930 as a subspecies of Crotalus confluentus (now known as Crotalus viridis). The...
The northern desert horned lizard (Phrynosoma platyrhinos platyrhinos ) is a subspecies of the desert horned lizard, along with the southern desert horned lizard (P. p. calidiarum ). It is often referred to as a "horny toad" due to its wide body and...
