The long-tailed weasel (often referred to as an “ermine”) is the most widely distributed mustelid in North America. They are found in open or semi-open habitats near water. Their diet consists mainly of rodents, which they will chase into dens. Adult males are 14-18 inches in length while females are generally smaller. They have brown fur that molts to pure white in the winter. The tip of their tail stays black year round.
After 2 winters of searching for a white ermine to photograph, I found this one last January with the help of my friend Ben. We were snowshoeing in the Pahaska area just outside the East entrance to Yellowstone when Ben spotted this little guy. He curiously watched us for quite some time while I fired away. Enjoy the photo!
February 5th, 2012
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