Mating: 'Counting Sheep' Film Clip
Sierra Nevada Bighorn Sheep: View the sheep's intricate mating habits in a segment from the Counting Sheep documentary, created by Green TV in 2004. Commentary by University of California White Mountain Research Station biologist John Wehausen. (3 minutes and 23 seconds)
Did You Know?
Hiking to Half Dome? Permits are now required seven days per week when the cables are up (typically late May through mid October, conditions permitting). More...