A group of wolves is called as:

Pack

The correct answer is pack. A group of wolves is called a pack. The word "pack" is a collective noun, which means it refers to a group of animals of the same species. Other collective nouns for groups of wolves include:

• Rout: A group of wolves that are on the move.
• Sleuth: A group of wolves that are hunting together.
• Chow: A group of wolves that are resting or sleeping together.