Long-tailed weasel or mink? One of our staff members, Melissa Salisbury, caught this cute little critter on camera in the Kindergarten Woods recently! Long-tailed weasels (Mustela frenata) have brown fur on the upper part of their body and white to yellow fur on their undersides, with a black tipped tail. The population living in the northern parts of their range turns white in the winter, retaining the black tip on their tails. American minks (Neovison vison) are slightly longer than long-taile