Wolfs are mammals and are related to dogs. They are apex predators and live mostly on mountains . They eat deer,elk,moose,bison,Mountain Goats, Bighorn Sheep, Caribou,and Muskoxen depending on the reigon. They mostly live in cold places like canada alaska and russia and it gets really cold in those places.
Some wolves that have gone extinct are dire wolves due to loss of food climate change and competition with grey wolves and early humans. Now scientists have tried to bring them back with DNA but I say it would not be good for them because they do not have their main food source and we are a hotter planet so it is hotter for them especially with their fur coat.
Here are some species they ate