Is a gray wolve mammal?

Yes, the gray wolf (Canis lupus) is a mammal. They belong to the class Mammalia, which includes animals that have hair or fur, give birth to live young, and produce milk to feed their offspring. Gray wolves are part of the order Carnivora, which includes meat-eating mammals, and the family Canidae, which consists of dogs, wolves, foxes, and other related species.