An Earth wolf
A wolf-like animal from the Goralis system
The wolf (Canis lupus) is a carnivorous canine related to the dog, native to planet Earth.
"The Boy Who Cried Wolf" is a well known children's story about a wolf. (DS9: "Improbable Cause")
In 2267, Spock referred to the entity Redjac, who was murdering women on the planet Argelius II, "where the inhabitants are as peaceful as sheep", as being like "a hungry wolf in that fold." (TOS: "Wolf in the Fold")
As Chakotay's grandfather got older, he believed at night he turned into a wolf and roamed the forest. (VOY: "Barge of the Dead")
In 2369, Captain Edward Jellico compared Cardassians to timber wolves, saying that they possess an instinctive need to establish a dominant position in social situations, and thus contrived his strategy for negotiating with Gul Lemec accordingly. Counselor Deanna Troi reminded him that sometimes a wolf ends up dead in the fight for dominance, to which Jellico responded by saying that the trick is to be the wolf that is standing in the end. (TNG: "Chain of Command, Part I")
When Deanna Troi entered Lwaxana Troi's mind to find out why her mother was unconscious, an angry wolf tried to keep her away from the memories of Kestra Troi. (TNG: "Dark Page")
Wolf-like creatures sometimes appear on other habitable worlds. In 2375, when Worf and Ezri Dax were stranded on planet Goralis, Worf killed a wolf-like animal for food. (DS9: "Penumbra")
When The Doctor reverted a member of Species 8472 from a Human to its natural state, he commented "talk about your wolf in sheep's clothing," based on an old Earth saying. (VOY: "In the Flesh")
Chakotay compared the Hirogen to wolves since they live in small 'packs' and roam the galaxy hunting for 'prey'. (VOY: "Prey")
- It is common misconception that the star Wolf 359 was named after wolves. It was actually named after the Earth astronomer Max Wolf. (TNG: "The Best of Both Worlds")