Species:

Trimorphodon biscutatus

Western Lyresnake

Some other names for this species:

Lyresnake, Lyre Snake

Subspecies I've seen:
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California Lyresnake
T. b. lyrophanes
Subspecies:

Trimorphodon biscutatus lyrophanes

California Lyresnake

July 3, 2006
Anza-Borrego Desert State Park, San Diego County, California
California Lyresnake (Trimorphodon biscutatus lyrophanes)
California Lyresnake (Trimorphodon biscutatus lyrophanes)

This was my final treat on a night of road-cruising for nocturnal reptiles. Earlier I had seen a Desert Glossy Snake, two Red Diamond Rattlesnakes, a Southern Pacific Rattlesnake, and a Desert Banded Gecko. I was driving through one promising area a final time when I spotted this large slender snake at the side of the road.

Lyresnakes are mildly venomous to humans, but they don't cause much trouble. For one thing, they are nocturnal and secretive, and so rarely seen by people who aren't out looking for them. But also, in the words of Philip R. Brown (author of A Field Guide to Snakes of California), lyresnakes would need "to chew for a considerable period to work the venom into a wound, and most people will not permit a snake to continue biting them for an extended period."