THE MANZANITA PROJECT

California Academy of Sciences Special Collections

CALIFORNIA SPECIES IMAGES

Scientific Name: Thamnophis sirtalis tetrataenia

Common Name:San Francisco Garter Snake

Photographer: Tashjian Copyright:CAS

California State Status: Endangered

United States Federal Status: Endangered

County endangered in: Santa Cruz/ San Mateo

Bioregion: Bay Area Delta

Threats to species:

• Water contamination
• Urban expansion and residential development
• Industrial development
• Collecting

Taxonomy:

Kingdom:ANIMALIA Phylum:CHORDATA Class:REPTILIA Order:SQUMATA Family:COLUBRIDEA Genus:THAMNOPHIS Species:SIRTALIS Sub-species:TETRATAENIA Common name(s):SAN FRANCISCO GARTER SNAKE