grison

/ˈɡrɪsən/
noun
  1. A small, fierce carnivorous mammal of the weasel family, native to Central and South America, with a gray or brown body and a white stripe on the face.
    • Wildlife photographers often have difficulty spotting a grison because it moves so quickly.
    • At the zoo, the grison was one of the most active and curious animals in the small mammal house.
    • The grison darted through the underbrush, hunting for small rodents.