Wolf

Wolves are fauna found in the Northern Water Tribe, particularly in colder areas tending to be far away from villages.

Connection
Wolves are one of the rare non-hybridized animals in the Avatar World. These wolves largely resemble wolves in our world/

History
When Yakone began to teach Tarrlok and Noatak how to bloodbend, he made them bloodbend wolves to their wills. Tarrlok didn't like it though, and realized that the wolves were being hurt by their practices.

Trivia

 * Wolves are one of the few non-hybridized creatures in the Avatar world.