Mule deer have excellent binocular vision and are extraordinarily sensitive to moving objects, but are unable to detect motionless objects.
The mule deer has excellent binocular vision. While unable to detect motionless objects, it’s extraordinarily sensitive to moving objects. Males can quickly detect and visually track another animal from as far as 600 meters away.
Because of their excellent binocular vision, mule deer specialize in detecting danger at a very long range.