Mule deer

The mule deer is a medium-sized deer found in western North America, easily recognized by its oversized ears that resemble a mule's. These deer adapt well to varied landscapes, from forests to deserts. Their distinctive ears help them detect predators and communicate with each other.

• Named for their large, mule-like ears that enhance hearing.
• Includes subspecies known as black-tailed deer.
• Native exclusively to western regions of North America.