California is home to eight species of rattlesnakes. The reptiles can be seen on hiking trails, rural roads and even in your backyard, according to the Los Angeles County Department of Public Health. California is home to eight species of rattlesnakes. The reptiles can be seen on hiking trails, rural roads and even in your backyard, according to the Los Angeles County Department of Public Health. Plants & Animals Ecology Phys.org – latest science and technology news stories