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Location:
Canada, Northern USA
Identification:
Irregular whitish, yellow to dark olive spots, bars or network on dark dorsum (upper body); Pattern more contrasting on sides and markings lighter and smaller in young adults. Markings often have indefinate borders. Some individuals nearly patternless, having only a few black spots.
Colorado animals have black spots, separate or variously joined on ground color of dark olive, dark grey, to dark cream; spots are often surrounded by bronze flecking, producing lichenlike markings.
In Montana, barred individuals occur on the plains, mottled to green ones in the mountains.
Other Information:
An isolated occurance in Moon Reservoir area of Harney County in Oregon, where it may have been introduced.
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