Authored by: Garth Teitjen
||A "cat eyed snake" pupils vertical. Head broad and neck slender. Light
gray to light brown above, with brown blotches on back. Blotches looks
roughly hexagonal in shape and split by a light crossbar. Cream, gray
or pale yellow below with a few brown spots scattered on belly.
||Rear-fanged, not considered dangerous to humans. Bites to humans reportedly cause mild swelling and irritation.
||Chiefly a rock-dwelling snake of lowlands, mesas and lower mountains
slopes. Found in desert grassland, creosote bush desert scrub,
chaparral, pinion-juniper, oak woodland and thornscrub.
||Nocturnal. A good climber and constrictor. May be found on roads at night.
||It hibernates during the cold months of late fall and winter.
|| A clutch of up to 20 eggs is laid in late summer. The Sonoran Lyresnake apparently hybridizes with the Chihuahuan Lyresnake (Trimorphodon vilkinsonii) in extreme southeastern Arizona and southwestern New Mexico.
||Eats lizards, lizards eggs, small snakes, and mammals (including bats).