Rocky Mountain Bighorn Sheep
Nez Perce Valley
Bighorn males, called rams, are famous for their large, curled horns. Females, called ewes, have horns too, but theirs are shorter and less curved.
Each year a new growth ring is visible on the horns of bighorn sheep. The four-year ring is the most predominant dark and discolored ring and the rings get more visible after the fourth year. To age a bighorn sheep, look for the four-year ring and then count the rings toward the skull from there. Their belly also changes from straight and narrow to wider on the sides and round underneath.
Community Gallery
Star Rating
Trophies (male only)
| Range | Stars | ||||
| 229 – 329 |  | ||||
| 330 – 387 | | | |||
| 388 – 416 | | | | ||
| 417 – 459 | | | | | |
| 460 – 500 | | | | | |
Animal Data
1 kb = 2.2 lbs (quick math) times (x) per kg by 2
| Age (years) | Male Weight | Famale Weight |
|---|---|---|
| Young 1-4 | 40 – 85 kg | 30 – 50 kg |
| Adult 5-8 | 85 – 120 kg | 50 – 70 kg |
| Mature 9-12 | 120 – 150 kg | 71 – 91 kg |
Daily Life Cycle
Young / Adult
Adult / Mature
Mature / Young
1 Star vs 2 Star Mature
2 Star vs 3 Star Mature
3 Star vs 4 Star Mature
4 Star vs 5 Star Mature
