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Snakes

Short-headed Garter Snake

Thamnophis brachystoma

Across the regions where it's common, the Short-headed Garter Snake peaks from May to September.

Shows up in 1 ecoregion and 1 state

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Snakes

Short-headed Garter Snake

Thamnophis brachystoma

Look, don't take. Many states regulate collecting reptiles and amphibians. Photograph it, log it on iNaturalist and leave it where you found it.

Description

Thamnophis brachystoma, commonly known as the shorthead garter snake or short-headed gartersnake, is a small species of snake in the subfamily Natricinae of the family Colubridae. Thamnophis brachystoma is a small species of snake, with a total length (including tail) of 254–559 mm (10.0–22.0 in).Wikipedia ↗

Habitat

Thamnophis brachystoma is found in small pockets in northwestern Pennsylvania and southwestern New York. The shorthead garter snake is commonly found in old fields and meadows, but can occasionally be found in wooded areas.Wikipedia ↗

When it's active

Shorthead garter snakes can commonly be found near one another under cover objects, with no apparent correlation to seasonality or breeding cycles. Reproduction in T. brachystoma occurs in spring shortly after emerging from the hibernacula.Wikipedia ↗
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When and where it's active

Each row is its own calendar, counted from records in that area. Seasons shift by place.

PeakShoulderQuiet

Ecoregions

JanFebMarAprMayJunJulAugSepOctNovDec
Northern and Central Appalachians

States

JanFebMarAprMayJunJulAugSepOctNovDec
Pennsylvania

About the Short-headed Garter Snake

When is the Short-headed Garter Snake most active?

Across the regions where it's common, the Short-headed Garter Snake peaks from May to September.

Where does the Short-headed Garter Snake live?

It has enough records to show in 1 ecoregions and 1 states, including Pennsylvania.