Wolves communicate within a pack using a variety of vocalizations, body language, and scents. They use howling to communicate with pack members over long distances, establish territory, and locate each other. They also growl, whimper, bark, and use other vocalizations to convey different messages. Additionally, wolves use body language such as facial expressions, tail positions, and body posture to express emotions and intentions. They also mark their territory with scent markings to communicate information to other packs in the area.