Scientific name: Hypsiglena torquata
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: Pituophis melanoleucas: Has round pupils; keeled scales. Crotalus viridis: 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.
