Subspecies
Thamnophis sirtalis fitchi (Valley garter snake)
Thamnophis sirtalis fitchi. Photo: (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC)
The common garter snake (Thamnophis sirtalis) is a species of natricine snake, which is indigenous to North America and found widely across the continent. Most common garter snakes have a pattern of yellow stripes on a black, brown or green background, and their average total length (including tail) is about 55 cm (22 in), with a maximum total length of about 137 cm (54 in). The average body mass is 150 g (5.3 oz). Common garter snakes are the state reptile of…
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Humboldt Life
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Kingdom: Animalia (Animals)
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Phylum: Chordata (Chordates)
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Subphylum: Vertebrata (Vertebrates)
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Class: Reptilia (Reptiles)
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Order: Squamata (Snakes and lizards)
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Suborder: Serpentes (Snakes)
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Family: Colubridae (Colubrid snakes)
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Subfamily: Natricinae (Natricine snakes)
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Genus: Thamnophis (Garter snakes)
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Species: Thamnophis sirtalis (Common garter snake)
- Subspecies: Thamnophis sirtalis fitchi (Valley garter snake)
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Species: Thamnophis sirtalis (Common garter snake)
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Genus: Thamnophis (Garter snakes)
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Subfamily: Natricinae (Natricine snakes)
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Family: Colubridae (Colubrid snakes)
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Suborder: Serpentes (Snakes)
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Order: Squamata (Snakes and lizards)
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Class: Reptilia (Reptiles)
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Subphylum: Vertebrata (Vertebrates)
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Phylum: Chordata (Chordates)
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Kingdom: Animalia (Animals)