What is the main prey for cougars?

The main prey for cougars, also known as mountain lions or pumas, includes deer, particularly mule deer and white-tailed deer. They also hunt smaller mammals such as elk, bighorn sheep, and various rodents. Cougars are opportunistic predators and may adapt their hunting strategies based on the availability of prey in their habitat. Their stealth and strength make them effective hunters in a variety of terrains.