Large Predators:
* Wolves: A major predator of deer in areas where they coexist.
* Mountain Lions (Cougar): A primary predator of deer in western North America.
* Bears: Both black bears and grizzly bears will prey on deer, especially fawns.
* Coyotes: Can prey on fawns and sometimes adult deer, especially when they are sick or weak.
* Bobcats: Will hunt deer, particularly fawns.
Smaller Predators:
* Foxes: Will prey on fawns and sometimes injured adult deer.
* Domestic Dogs: Can be a threat to deer, especially in areas where they are feral or allowed to roam freely.
* Large Birds of Prey: Eagles and hawks can occasionally prey on fawns and young deer.
Other Threats:
* Humans: Humans can pose a threat to deer through hunting, habitat destruction, and traffic collisions.
The specific predators that deer face will vary based on the region and the types of animals present in that area.