Gulo gulo (Wolverine) is a species of mammal in the family Mustelidae. It is found in the Palearctic and the Nearctic. It is a solitary, nocturnalcarnivore. Individuals are known to live for 216 months.
Definition: Solitary animals are those that spend a majority of their lives without others of their species, with possible exceptions for mating and raising their young. The antonym to a solitary animal is a social animal.