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Thatching Ant Mound | by brewbooks
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Thatching Ant Mound

We came across two of these mounds in close (less than 10 meters) proximity.


A short video I took, really shows how active these are. These ants have a distinctive body, half red, half black.


This may be a Formica obscuripes Thatching Ant mound. I have seen this same mound over in the Yakima area on Umtanum Ridge.


Grand Park

Mount Rainier National Park

Pierce County, Washington, USA

Elevation ~ 1900 meters (5700 feet)


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Taken on July 24, 2010