California Department of Fish and Wildlife

Sierra Nevada Bighorn Sheep In Yosemite

Google icon Cathedral Range
image of ewe
S367 - Ewe (kmz)
S367 - Ewe (pdf)

image of ram
S295 - Ram (kmz)
S295 - Ram (pdf)
Monthly movement data
by color
Google Earth™ or pdf format

Recent Events

  • 01/17/2017 All of the collared ewes, aside from S371, moved from the southwest ridge of Mt. Lyell to the Parsons Plateau.
  • 11/02/2016 5 rams were translocated to Cathedral from the Mt. Baxter herd unit.
  • 07/12/2016 11 Sierra bighorn, including 2 yearlings, were seen on the Parsons Plateau.
  • 07/01/2015 Two lambs are counted during the summer survey
  • 03/30/2015 Cathedral Herd Started with 10 ewes and 3 Rams
Parson Plateau provides wind-blown winter habitat that is partially snow-free.
The Cathedral Range herd was reestablished in the spring of 2015 with the translocation of 13 Sierra bighorn from the Mt. Langley, Mt. Baxter, and Wheeler Ridge herds. Five additional rams were augmented to the herd in the fall of 2016 to increase breeding opportunities. Most of the Cathedral ewes wintered on the Parson’s Plateau in 2016 and 2017. With limited opportunity to breed, as well as the heavy 2017 winter, population size in the Cathedral Range is currently unknown. When this area becomes more accessible the SNBSRP crew will be spending time there to evaluate the population.
Lush summer forage on the Parsons Plateau