The incident will begin on or about December 18, according to the news release, and will not be open to public observation.
Helicopters will push the animals into the traps.
The capture goal is 648 horses and 100 burros, and the removal goal is 438 horses and 100 burros.
Mares returned to the range will be treated with GonaCon, a fertility control drug that may act as a sterilant.
The 500 horses allowed by plan require 6,000 AUMs per year. The AML for burros is zero.
The aimed-at stocking rate is 0.4 wild horses per thousand acres. The target rate across all HMAs is one wild horse per thousand acres.
The WHR is not subject to permitted grazing but is bordered by allotments on the east, north and west sides. Refer to the Western Watersheds map for details.
Captured horses will be taken to the off-range corrals at Palomino Valley, north of Reno, NV. Captured burros will be taken to the off-range corrals in Axtell, UT.
Gather stats and daily reports will be posted to this page.
An emergency roundup occurred in the area last year.