* Raccoons
* Opossums
* Skunks
* Foxes
* Coyotes
* Bobcats
* Mountain lions
* Birds of prey: Hawks, eagles, vultures, and owls
* Domestic cats and dogs: Free-roaming cats and dogs can also kill wild chickens
* Disease: Wild chickens are also susceptible to a variety of diseases, including:
* Fowl pox
* Marek's disease
* Newcastle disease
* Infectious bronchitis
* Mycoplasma gallisepticum
* Escherichia coli
* Salmonella
* Other factors: Wild chickens can also die from:
* Starvation: Wild chickens cannot find enough food to eat, especially during the winter months
* Exposure: Wild chickens cannot tolerate extreme temperatures, especially cold weather
* Dehydration: Wild chickens cannot find enough water to drink, especially during the summer months
* Poisoning: Wild chickens can eat poisonous plants or chemicals