Mammals:
* Coyotes: Coyotes are common predators of groundhogs across their range.
* Foxes: Red foxes and gray foxes are also known to prey on groundhogs.
* Bobcats: While less common, bobcats can also hunt groundhogs.
* Badgers: Badgers are powerful diggers and can sometimes catch groundhogs in their burrows.
* Domestic dogs: Stray or feral dogs may also prey on groundhogs.
Birds:
* Hawks: Red-tailed hawks, Cooper's hawks, and other hawk species are known to catch groundhogs.
* Owls: Great horned owls and other owl species are nocturnal predators that can hunt groundhogs.
Other:
* Snakes: Some larger snake species, like rattlesnakes, can prey on young groundhogs.
* Humans: Hunting and trapping of groundhogs is also common in some areas.
The specific predators of groundhogs vary depending on their location and the types of animals present in their environment.