Snakes
Common Garter Snake
Thamnophis sirtalis
Across the regions where it's common, the Common Garter Snake peaks from March to October.
Shows up in 33 ecoregions and 43 states
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Snakes
Common Garter Snake
Thamnophis sirtalis
Description
The common garter snake (Thamnophis sirtalis) is a species of snake in the subfamily Natricinae of the family Colubridae. Few grow over about 4 ft (1.2 m) long, and most stay smaller.Wikipedia ↗
Habitat
The habitat of the common garter snake ranges from forests, fields, and prairies to streams, wetlands, meadows, marshes, and ponds, and it is often found near water. Common garter snakes are native to the Nearctic region only.Wikipedia ↗Animal Diversity Web ↗
When it's active
The common garter snake is a diurnal snake. In warmer southern areas, the snake is active year-round; otherwise, it sleeps in common dens, sometimes in great numbers.Wikipedia ↗

When and where it's active
Each row is its own calendar, counted from records in that area. Seasons shift by place.
Ecoregions
States
About the Common Garter Snake
When is the Common Garter Snake most active?
Across the regions where it's common, the Common Garter Snake peaks from March to October.
Where does the Common Garter Snake live?
It has enough records to show in 33 ecoregions and 43 states, including Alabama, Arkansas, California, and Colorado.