SF Peninsula Vertebrates - symbiote
Probable Santa Cruz Gartersnake, Thamnophis atratus atratus, Harkins Ridge Trail, Purisima Redwods OSP, 3Sept2012.

Probable Santa Cruz Gartersnake, Thamnophis atratus atratus, Harkins Ridge Trail, Purisima Redwods OSP, 3Sept2012.

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