Photos by Chris Brown

Scientific name: Hypsiglena ochrorhyncha
Common name: Night Snake

Size: 9.8-13.8 in (25-35 cm)

Distinguishing characters: A pale grey, beige or light brown species; brown paired blotches on dorsum; usually three large black blotches on the neck, sometimes merging; venter whitish or yellow; flat head; vertical pupils; brown bar behind eyes; white labial scales; scales smooth, often with irridescence.

Juveniles: Similar to adults.

Dimorphism: None

Similar species: Arizona elegans: Have round pupils. Pituophis catenifer: Has round pupils; keeled scales. Crotalus helleri: Has rattle on tail.

Additional notes: May flatten head, coil tightly, and vibrate tail when disturbed appearing as a viper. A gentle species that is easily handled. Often found under rocks.