Thamnophis sirtalis tetrataenia - San Francisco Garter Snake

     1.  Closely related to T.s.infernalis; mtDNA suggests that T.s.tetrataenia is just a pretty T.s.infernalis
     2.  Highly aquatic snake
     3.  Furthest south in distribution is Wadell Creek, Santa Cruz Co.

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• Leptotyphlopidae • Boidae • Viperidae • Colubridae • Elapidae •