Miriam Sachs Martin, CC BY 4.0 https://creativecommons.org/licenses/by/4.0, via Wikimedia Commons

Names: California black-headed snake.

Average length: 3-15 in.

Juveniles: They look the same as the adults.

Habitats: Grasslands, woodlands, and deserts and are typically on rocky areas near washes, rivers, and streams.