pacific gopher snake juvenile in defensive posture.

alert alertness angry animal attack bay area california trail brown catenifer cautious closeup coiled colubrid colubridae curled danger defensive fauna gopher snake gophersnake harmless juvenile looking camera macro natural nature nonvenomous outdoor outdoors pacific pituophis portrait posture predator reptile reptilia santa clara county spotted strike tongue united states viper wild wildlife young francisco sunnyvale usa nnyvale posture