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The smooth green snake (Opheodrys vernalis, sometimes Liochlorophis vernalis) is a nonvenomous North American colubrid. It is also sometimes called the grass snake.

Geographic rangeEdit

It is found in Ontario, Eastern Canada, and almost every northern state in the U.S.

Conservation statusEdit

It is a snake of increasing conservation concern in some U.S. states.

DescriptionEdit

The smooth green snake is uniform light green above, with a yellow-tinged whitish belly, and has smooth dorsal scales.[1] A "small medium" snake[2], adults are 36-51 cm (14-20 in.) in total length, record 66 cm (26 in.).[3]

HabitatEdit

It is found mainly in moist meadows, prairies and clearings in coniferous forest.

DietEdit

They are almost entirely insectivorous eating mainly crickets, grasshoppers, and smooth caterpillars.

ReproductionEdit

The females lay small cylindrical eggs. There are usually 3 to 13 eggs in a clutch. They may hatch in as little as 4 days.

SubspeciesEdit

  • Eastern smooth green snake, Opheodrys vernalis vernalis (Harlan, 1827)
  • Western smooth green snake, Opheodrys vernalis blanchardi Grobman, 1941
  • Northern smooth green snake, Opheodrys vernalis borealis Grobman, 1992[4]

External linksEdit

ReferencesEdit

  1. Schmidt, K.P. and D.D. Davis. 1941. Field Book of Snakes of the United States and Canada. G.P. Putnam's Sons. New York.
  2. Wright, A.H. & A.A. Wright. 1957. Handbook of Snakes of the United States and Canada. Comstock. Ithaca and London.
  3. Conant, Roger. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America, 2nd edition. Houghton Mifflin. Boston.
  4. Grobman, Arnold B. 1992. Metamerism in the Snake Opheodrys vernalis, with a Description of a New Subspecies. Journal of Herpetology, Vol. 26, No. 2, pp. 175-186
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fr:Couleuvre verte it:Opheodrys vernalis hu:Sima zöldsikló

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