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Researchers Begin Monitoring Grizzly Bears in Yellowstone National Park

Intense Grizzly Bear Fight
Photo: Getty Images

Last year, from August 28, 2023, to October 31st, 2023, researchers from the Interagency Grizzly Bear Study Team (IGBST) conducted grizzly bear capture and monitoring activities in Yellowstone National Park.

This operation, mandated by the Endangered Species Act, is a collaborative effort between the U.S. Geological Survey and the National Park Service, aimed at grizzly bear conservation.

grizzly bear

Throughout this field operation, biologists from the IGBST will strategically use grizzly bear food sources. Such as deer and elk to lure the bears to capture sites. At these locations, humane traps will be deployed to safely capture, evaluate, and thoroughly record information about the bears.

This comprehensive effort allows scientists to assess the well-being and population dynamics of Yellowstone’s grizzly bear population. It enables them to identify any necessary interventions for population protection. All bear-handling procedures will strictly adhere to gold-standard safety and animal welfare protocols established by the IGBST.

Across Yellowstone National Park, the National Park Service is installing conspicuous warning signs at capture sites. These locations must be steered clear of by the general public. This precautionary measure is in place to safeguard the well-being of park visitors, park personnel, IGBST biologists, and grizzly bears.

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Aim Of The Interagency Grizzly Bear Study Team

The research team’s primary objective is to conduct ongoing monitoring of the well-being and population dynamics of grizzly bears within the Greater Yellowstone Ecosystem. Additionally, they seek to gain insights into the bears’ habitat utilization. As well as how land management initiatives relate to the overall health and welfare of the grizzly bear population.

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What Is The Population Of Grizzly Bears In Yellowstone

Brown grizzly bear
Close-up of brown bear

As of 2021, the National Park Service reported an estimated population of 1,063 grizzly bears residing within the Greater Yellowstone Ecosystem. Among them, approximately 150-200 individuals are believed to have home ranges that overlap partially or entirely with the park boundaries. These figures reflect a remarkable resurgence in bear numbers, considering that in 1975, the grizzly bear population in the Greater Yellowstone Ecosystem had dwindled to a perilously low count of only 136 individuals.

Check out Fun Facts About Grizzly’s in Yellowstone.

Wrap Up

In conclusion, the upcoming grizzly bear capture and monitoring operation in Yellowstone National Park, led by the Interagency Grizzly Bear Study Team (IGBST), represents a crucial endeavor for the conservation of this iconic species. Mandated by the Endangered Species Act, this collaborative effort between the U.S. Geological Survey, the National Park Service, and dedicated biologists is a testament to the commitment to protect and preserve grizzly bears in their natural habitat.

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