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San Francisco Garter Snake
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Thamnophis sirtalis tetrataenia

4 Photos
1

The San Francisco Garter Snake characterized by bright blue-green or green-yellow coloration along the stomach and sides.

The San Francisco Garter Snake characterized by bright blue-green or green-yellow coloration along the stomach and sides.

The San Francisco Garter Snake characterized by bright blue-green or green-yellow coloration along the stomach and sides.

reptiles4all/Shutterstock.com
2

San Francisco garter snakes, endemic to the San Francisco Peninsula of California, have small, slender bodies measuring an average of 3 feet.

San Francisco garter snakes, endemic of California, have small, slender bodies measuring an average of 3 feet.

San Francisco garter snakes, endemic to California, have small, slender bodies measuring an average of 3 feet.

spatuletail/Shutterstock.com
3

San Francisco Garter Snake in sand found on Northern California Coast. They have large round eyes in comparison to body size.

San Francisco Garter Snake in sand found on Northern California Coast. They have large round eyes in comparison to body size.

San Francisco Garter Snake in sand found on Northern California Coast. They have large round eyes in comparison to body size.

Simone O/Shutterstock.com
4

The upper half of the head of the San Francisco garter snake is colored red and orange, whereas the lower jaw and cheeks are colored bluish green.

The upper half of the head of the San Francisco garter snake is colored red and orange, whereas the lower jaw and cheeks are colored bluish green.

The upper half of the head of the San Francisco garter snake is colored red and orange, whereas the lower jaw and cheeks are colored bluish green.

Yurkovski/Shutterstock.com