South Hills' last bighorn sheep put down
This story highlights the typical outcome when wildlife agencies try to restore bighorn sheep populations too close to domestic sheep. While some have proposed recently that wild sheep advocates should accept greater risk in order to create new transplant herds in close proximity to domestic sheep by indemnifying land management agencies and sheep producers, this is not a good long term strategy for wild sheep conservation. It generally results in small, stagnant, diseased wild sheep herds.
For example, in 2002 the USFS, BLM, and FWP entered into an MOU with the domestic sheep grazing permittee in the Gravelly Range to allow the state agency to introduce bighorn sheep to the mountain range, guaranteeing that the permittee would not suffer a loss of grazing opportunity due to the risk to bighorn sheep. In 2003-2004 a total of 69 bighorns were released in the Gravelly Range, with a target population of 125. The population has since declined to about 47 animals. That's not sound wild sheep conservation. Conservation time and dollars would be better spent trying to recover and protect core native herds, as well as working to find win-win solutions to eliminating domestic sheep risk in historical bighorn habitat prior to reintroductions.
South Hills' last bighorn sheep put down
JEROME — The Idaho Department of Fish and Game has lethally removed the South Hills’ last four bighorn sheep.
- COLIN TIERNAN
Fish and Game said the two ewes and two young rams likely represented the last remnants of a reintroduction effort that took place between 1986 and 1993.
Fifty bighorn sheep were released in the South Hills’ Unit 54 during that time period, but the population struggled from the outset. Bighorns in the Big Cottonwood area of the South Hills died off, and, even though more sheep were introduced, the herd continued to have difficulty maintaining healthy numbers.
By 2010, Fish and Game estimated the South Hills was home to 15 bighorns, and due to the proximity of domestic sheep and goat herds, the department determined new reintroductions posed a disease risk. Domestic goat and sheep herds can spread respiratory diseases to new bighorns. The population declined further in the 2010s, falling to an estimated 10 in 2017.
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This story highlights the typical outcome when wildlife agencies try to restore bighorn sheep populations too close to domestic sheep. While some have proposed recently that wild sheep advocates should accept greater risk in order to create new transplant herds in close proximity to domestic sheep by indemnifying land management agencies and sheep producers, this is not a good long term strategy for wild sheep conservation. It generally results in small, stagnant, diseased wild sheep herds.
For example, in 2002 the USFS, BLM, and FWP entered into an MOU with the domestic sheep grazing permittee in the Gravelly Range to allow the state agency to introduce bighorn sheep to the mountain range, guaranteeing that the permittee would not suffer a loss of grazing opportunity due to the risk to bighorn sheep. In 2003-2004 a total of 69 bighorns were released in the Gravelly Range, with a target population of 125. The population has since declined to about 47 animals. That's not sound wild sheep conservation. Conservation time and dollars would be better spent trying to recover and protect core native herds, as well as working to find win-win solutions to eliminating domestic sheep risk in historical bighorn habitat prior to reintroductions.
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