Subfamily
Natricinae (Natricine snakes)
Thamnophis elegans terrestris. Photo: (c) Steve Jurvetson, some rights reserved (CC BY)
The Natricinae are a subfamily of the Colubridae family of snakes, which comprises 28 genera. Members include many very common snake species, such as the European grass snakes, and the North American water snakes and garter snakes. Some members of the subfamily are known as keelbacks, because their dorsal scales exhibit strong keeling.
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