Northern Ringneck Snake
Diadophis punctatus edwardsi
La Rue-Pine Hills, Union Co., Illinois. May
1996.
The one pictured here is one hundred per cent edwardsii - a full, unbroken neck ring, with just a few black dots on the ventral scutes.
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Herpetofauna - One Life's List
Northern Ringneck Snake La Rue-Pine Hills, Union Co., Illinois. May
1996. |
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Down in Union
County, at the southern tip of Illinois, Ringneck Snakes of several
species come together, sort of. To the north along the Mississippi
River, Northern Ringnecks intergrade with Prairie Ringnecks (arnyi);
directly to the south along the river occur Mississippi Ringnecks (stictogenys).
Only in Union County, it seems, can you find pure Northern Ringnecks in
the bluffs along the river (they do occur elsewhere in the
state).Therefore each Union County Ringneck is carefully scrutinized!
The one pictured here is one hundred per cent edwardsii - a full, unbroken neck ring, with just a few black dots on the ventral scutes. |
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