Few animals inspire as much awe as the gray wolf. Hunting in packs across North America's upper tier, these fiercely intelligent, hardy and resourceful hunters have the widest range of any land mammal other than man. Now revised with updated facts and figures about the wolf's status in North America, Call of the Wolf offers a stunning, comprehensive photographic portrait of this powerful predator, while answering the most commonly-asked questions about this magnificent animal. Included in the book is a high-quality audio CD of wolf howls and other vocalizations. You'll hear the many variations of growls, barks, yips, and howls that bring packs together and announce hunts.