NatureSmart: Stan Tekiela encounters the elusive long-tailed weasel in Yellowstone, exploring its rare adaptations, hunting ...

The masked shrew displays characters typical of all shrews. The slender, cylindrical body has a short, velvety, directionless fur. The long, tapered head ends in a flexible, tubular snout, with the ...

This 2-foot-long, black-masked member of the weasel family once occurred in central grasslands and basins from southern Canada to Texas but is now one of the most endangered mammals in North America.