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Western Green Rat Snake

Senticolis triaspis intermedia

  • Family: Colubridae
  • Adult Size: The average adult size is approximately 39 inches.
  • Range: Northern areas of Mexico. In the United States, the western green rat snake's range is southeastern Arizona and extreme southwestern New Mexico.
  • Habitat: Mountains, woodlands and rock piles. Found in trees or bushes near lakes and streams.
  • Captive Lifespan: 12 to 20 Years
  • Dangerous:
  • Care Level: Intermediate

Overview

The western green rat snake is very rare in the United States, although there have been many sightings in Mexico. Members of the rat snake clan can have stripes, blotches, or a combination of stripes and blotches; even unicolored species can be found. Adult coloration of the western green rat snake ranges from a drab olive-green to a beautiful lime-gree. Rat snakes also have several representatives that are amelanistic (lacking black pigment) or leucistic (white coloration with blue eyes).

Housing for the rat snake group can be simple. Cages should be escape-proof, roomy and well-ventilated. Hide boxes are appreciated by most forms. Substrates that work well include pine shavings, newsprint, indoor/outdoor carpeting or paper toweling. These animals do best with ventral heating--provide a heater on the bottom of one side of the cage setting up a temperature range from which the animal can select its preferred body temperature.

These snakes can be maintained on adult mice.

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