Initially alive on dirt road. Observed vehicle inadvertently run over snake. No photos.
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DOR. ID based on the ID of an animal that looked to be the same from two days earlier very near by:
This skitterish youngster was only 1 ft long and very slender (about ½" wide).
Located on a rocky bank of the Flathead River on a sunny afternoon.
this garter snake (species?) was crossing the dirt road I was driving on. Got a few shots then sent him on his way.
The western terrestrial garter snake (Thamnophis elegans) is a western North American species of colubrid snake. Seven subspecies are currently recognized.