Interagency Grizzly Bear Study Team

Interagency Grizzly Bear Study Team
Name	Interagency Grizzly Bear Study Team
Formation	1973
Headquarters	West Yellowstone, Montana
Region served	Greater Yellowstone Ecosystem
Leader title	Chair
Parent organization	U.S. Fish and Wildlife Service; U.S. Forest Service; National Park Service; Montana Fish, Wildlife & Parks; Wyoming Game and Fish Department; Idaho Department of Fish and Game

Interagency Grizzly Bear Study Team is a multi-agency scientific group established to coordinate research, monitoring, and management of grizzly bears in the Greater Yellowstone Ecosystem. The Team has worked at the nexus of wildlife biology, conservation policy, and resource management, collaborating with federal and state agencies, academic institutions, and nongovernmental organizations to inform decisions affecting Yellowstone National Park, Grand Teton National Park, and adjacent public lands. Its long-term datasets and applied research have influenced listings under the Endangered Species Act and have intersected with legal, social, and land-use issues involving multiple stakeholders.

History

The Team was formed amid shifting conservation priorities following the passage of the Endangered Species Act and the reorganization of federal wildlife programs in the early 1970s. Its creation drew expertise from the U.S. Fish and Wildlife Service, National Park Service, U.S. Forest Service, and state agencies such as Montana Fish, Wildlife & Parks and the Wyoming Game and Fish Department. Early projects were informed by field studies conducted in the Yellowstone Plateau, echoing research traditions established by investigators affiliated with University of Montana, Montana State University, and University of Wyoming. Over time the Team’s work intersected with landmark events and actors including litigation under the Endangered Species Act, management plans authored by the National Park Service, habitat analyses tied to the Greater Yellowstone Coordinating Committee, and collaborations with NGOs such as the Defenders of Wildlife and the Sierra Club. Its history reflects interactions with regional land-management disputes involving the U.S. Forest Service's multiple-use mandates, county commissions, and tribes such as the Shoshone-Bannock Tribes and Crow Tribe.

Mission and Objectives

The Team’s mission aligns with mandates from the U.S. Fish and Wildlife Service and coordinating agencies to assess population status, demography, and human-bear interactions across the Greater Yellowstone Ecosystem. Objectives emphasize population monitoring used to address listing decisions under the Endangered Species Act, to inform recovery criteria established under plans drafted by the National Park Service and the U.S. Fish and Wildlife Service, and to guide state-managed hunting and conservation regulations developed by agencies such as the Idaho Department of Fish and Game. Additional aims include reducing human-bear conflict on lands managed by the Bureau of Land Management and in municipalities influenced by policies from county governments and regional planning bodies like the Greater Yellowstone Coordinating Committee.

Organizational Structure and Membership

The Team is composed of biologists, statisticians, and wildlife managers employed by federal agencies—U.S. Fish and Wildlife Service, National Park Service, U.S. Forest Service—and state agencies including Montana Fish, Wildlife & Parks, Wyoming Game and Fish Department, and Idaho Department of Fish and Game. Academic collaborators have included scientists from University of Montana, Montana State University, University of Wyoming, University of Idaho, University of California, Davis, and Colorado State University. Nongovernmental partners have included Defenders of Wildlife, World Wildlife Fund, The Wilderness Society, and National Wildlife Federation. The Team interacts with legal institutions such as the U.S. District Court for the District of Montana when datasets inform litigation, and with federal policy venues including the Department of the Interior and the Council on Environmental Quality.

Research and Monitoring Programs

The Team conducts telemetry-based demographic studies, genetic sampling, population viability analyses, and habitat-use research across the Yellowstone Plateau, Teton Range, and surrounding corridors. Methods and collaborations have linked to technological advances pioneered at institutions like Idaho National Laboratory and analytical tools from the U.S. Geological Survey. Long-term monitoring projects support range-wide assessments pertinent to Endangered Species Act status reviews, feeding into ecosystem-level studies associated with the Greater Yellowstone Ecosystem and landscape connectivity analyses tied to corridors recognized by the National Wildlife Federation and academic networks including the Wildlife Conservation Society. The Team’s work has incorporated camera-trap programs analogous to projects at the Smithsonian Institution and genetic mark–recapture techniques used in studies by researchers at University of California, Berkeley and Oregon State University. Its monitoring intersects with applied management on units administered by the National Park Service, U.S. Forest Service, and Bureau of Land Management.

Management Practices and Conservation Impact

Data from the Team have informed management actions ranging from food-storage regulations in Yellowstone National Park to relocation and conflict reduction programs implemented by Montana Fish, Wildlife & Parks and the Wyoming Game and Fish Department. The Team’s population estimates and trend analyses contributed to federal decisions about delisting proposals under the Endangered Species Act and influenced recovery planning coordinated with the U.S. Fish and Wildlife Service and the National Park Service. Its findings have affected habitat protections on lands managed by the U.S. Forest Service and policy deliberations before the Department of the Interior. Conservation outcomes reflect engagement with stakeholders including ranching associations, conservation NGOs such as Defenders of Wildlife and Sierra Club, and legal challenges adjudicated in venues like the U.S. Court of Appeals for the Ninth Circuit.

Publications and Data Resources

The Team produces technical reports and peer-reviewed publications appearing in journals where collaborators from Colorado State University, University of Montana, Montana State University, and University of Wyoming publish. Datasets have been incorporated into broader syntheses by the U.S. Geological Survey, cited in environmental assessments by the National Park Service and U.S. Forest Service, and used in modeling studies by researchers at the National Center for Ecological Analysis and Synthesis and universities such as University of California, Santa Cruz. Reports inform policy analyses in offices within the Department of the Interior and have been referenced in legal filings before the U.S. District Court for the District of Montana and appellate courts.

Controversies and Policy Influence

The Team’s role in providing evidence for delisting under the Endangered Species Act has been central to controversies involving state-managed recovery metrics, litigation by conservation organizations such as Defenders of Wildlife and Natural Resources Defense Council, and political debates in state legislatures and county commissions. Disputes have addressed methods used to estimate population size, the adequacy of habitat protections on U.S. Forest Service and Bureau of Land Management lands, and the balance between local land-use interests represented by ranching groups and conservation priorities advocated by NGOs like the Sierra Club and World Wildlife Fund. Court cases in the U.S. District Court for the District of Montana and appeals to the U.S. Court of Appeals for the Ninth Circuit have examined administrative decisions that relied on Team analyses, highlighting intersections with federal policy actors including the Department of the Interior and Congressional oversight committees.

Category:Wildlife conservation in the United States