This Bighorn Sheep Ram was standing on guard,
while the other six rams were grazing down below.
Photographed below Bridge Point in Red Rocks, Nevada in April 2007.
Bighorns can live from 10 to 15 years. In Red Rocks, Rams usually form small groups of 5-10 individuals, but it is not uncommon to see occassional large gathering of 30-100 individuals.
Ewes with young lambs form separate herds.