Wolves are large canines and have been featured in multiple Esteem productions.
- The same timber wolf was featured in the Phase 1 Elephant Man of Kaufman County episode and Phase 2 Houston Animal Roadtrip episode of North Texas Explorer. This wolf also appeared in Walker, Texas Ranger.
- Red wolves, maned wolves, and Mexican wolves were featured in the Phase 3 Fossil Rim episode of North Texas Explorer.
- A Mexican Gray Wolf at the Arizona-Sonora Desert Museum was featured in the Tucson Geo-RoadTrip
Canis lupus skull from the Pleistocene