dead california night snake found on hiking trail.

nightsnake venomous hypsiglena california night snake ochrorhyncha nuchalata nocturnal animals animal wild bay area brown closeup colubrid constrictor cruelty crushed day dead detail environment fauna gray harmless killed macro natural nature nonpoisonous north american outdoors pattern reptile reptiles reptilian roadkill sadness francisco santa clara county serpent spotted stevens creek park trail viper wildlife