With an average male weight is 137 lb and an average female weight is 101 lb, the northwestern wolf is the largest in the world.

For short distances, wolves can go 36 to 38 mph

An average wolf has 42 teeth in his mouth. Of which 16 are premolars, 12 are incisors, 10 are molars, and 4 are canines.

Wolf howls can be heard up to 10km away

Wild wolves can live up to 13 years, and captive wolves can live up to 16 years.

Height of an average wolf is around 26-32 inches

The breeding season generally runs 63 days, from early february to march.

Wolves can eat 20-pound meat in one sitting.