A jackal is a type of carnivore native to Earth, closely related to dogs and wolves.

In late 2374, Romulan Senator Letant called General Martok a "Klingon jackal", to which Martok angrily retorted that "this jackal has more courage than the entire Romulan Senate". (DS9: "Tears of the Prophets")

Letant may have actually been referring to the jackal mastiff that appeared in Star Trek VI: The Undiscovered Country, or the unnamed Klingon animal seen in Star Trek III: The Search for Spock.

Damar called Weyoun a "Vorta jackal" after the Vorta announced the Dominion had destroyed Lakarian City. (DS9: "What You Leave Behind")

When USS Voyager was being hunted by Hazari bounty hunters in 2375, Captain Kathryn Janeway likened them to circling jackals. (VOY: "Think Tank")