by
Grace A. Wang
School of Forest Resources
The Pennsylvania State University
Few species have captured the imagination of the American public like the
grizzly bear (Ursus arctos horribilis). It is one of the largest North American
land mammals, with male grizzly bears often reaching 7 feet tall, weighing 300-600 pounds,
and female grizzly bears 200-400 pounds. They are an omnivorous species, with a diet that
includes elk carcasses, sometimes sheep, berries, and whitebark pine seeds, among other
items.
Although grizzly bears historically ranged throughout most of the western United States, habitat loss and excessive human-caused mortality have drastically reduced numbers of this species. It is estimated that prior to European settlement there were ~50,000 grizzly bears; it is estimated that only 800-1,000 grizzly bears exist on approximately 2 percent of their historic range in the lower 48 states now. Biologically, grizzly bears have the second slowest reproductive rate of all North American mammals, making it difficult for them to rebound from threats to their survival. Females reach maturity at 4-9 years, and generally give birth to two cubs every three years.
Congress enacted the Endangered Species Act of 1973. The ESA declared national policy "that all Federal departments and agencies shall seek to conserve endangered species and threatened species and shall utilize their authorities in furtherance of the purposes of this [Act]." The ESA defines an endangered species as "any species which is in danger of extinction throughout all or a significant portion of its range." A threatened species is defined as "any species which is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range." Four key sections of the ESA provide its basic structure:
Grizzly bears were listed as a threatened species in the lower 48 states in 1975. At that time, the Bitterroot Ecosystem (BE) was listed as one of three areas where grizzly bears were known or thought to exist and where recovery should be emphasized. Earlier in the 20th century, grizzly bears were widespread inhabitants of the Bitterroot Mountains in central Idaho and western Montana, although the last verified death of a grizzly bear in the BE occurred in 1932 and the last tracks were observed in 1946. No verified tracks or sightings have been documented in more than 50 years, and the best scientific evidence available indicates that there are no grizzly bears in the BE at this time.

![]() | Grizzly Bear ecosystems |     | ![]() | Bitterroot Ecosystem |
In 1982, a federal grizzly bear recovery plan by the U.S. Fish & Wildlife Service (FWS) called for the evaluation of the BE as a potential recovery area. Ensuing studies indicated sufficient habitat existed in the BE to support 200-400 grizzly bears. In 1991, the Interagency Grizzly Bear Committee endorsed the BE as a recovery area and authorized the FWS to pursue grizzly bear recovery. The ultimate long-term goal of the plan is removal of the grizzly bear from threatened status in the lower 48 states.
The FWS released a Draft Environmental Impact Statement (DEIS) in 1997, describing four alternatives that represent different approaches to grizzly bear recovery and management in the Bitterroot Ecosystem of central Idaho and western Montana:
Alternative 1. Reintroduction of a Nonessential Experimental Population Alternative
Section 10(j) of the Endangered Species Act provides the authority to designate certain populations of listed species as nonessential "experimental populations" to promote species conservation. This designation is more flexibe than "endangered" and allows private landowners some flexibility in dealing with reintroduced arenas. The goal of this alternative is to accomplish grizzly bear recovery by reintroducing grizzly bears designated as a nonessential experimental population to the Bitterroot Ecosystem. Central to this is creation of a Citizen Management Committee (CMC) to conduct grizzly bear management within the framework of local concerns. The CMC would be given the task of managing this grizzly bear population.
Alternative 2. The No Action Alternative - Natural Recovery
The goal of this alternative is to allow grizzly bears to expand from their current range in north Idaho and northwestern Montana southward into central Idaho and western Montana, and to recolonize the BE. Ultimately, the goal is natural recovery of grizzly bears in the BE.
Alternative 3. The No Grizzly Bear Alternative
The purpose of this alternative is to prevent grizzly bears from naturally re-establishing in the BE. Congress would need to pass legislation to remove grizzly bears in central Idaho and portions of western Montana from the list of threatened species. The FWS would stop all funding and management activity toward bear research, education, and management in central Idaho. The states of Idaho and Montana would remove grizzly bears from the protection of state law within the BE.
Alternative 4. Reintroduction of a Threatened Population with Full Protection of the ESA
The goal of this alternative is to achieve recovery through reintroduction and extensive habitat protection and enhancement to promote natural recovery. The grizzly bear would have full status as a threatened species under the provisions of the ESA.
These four alternatives represent different approaches to grizzly bear recovery and
management. They were developed for evaluation in the DEIS because they encompass public
concerns raised during scoping and to reflect a full range of alternatives. Two
alternatives (Alternatives 2 and 3) do not necessarily meet the purpose of and need for
action, but were included in the DEIS to be responsive to public comments, to provide a
full range of alternatives for consideration, and to meet the requirements of NEPA. All
four alternatives reflect public comments and suggestions identified through issue and
alternative scoping.

"Grizzly bears attack people, and unlike the Fish & Wildlife Service, I do not believe there is an acceptable level of injury and death caused by grizzly bears."
"We do not need our forests and other public lands shut down and put people out of jobs to encourage the grizzlies to roam into our backyards and endanger our lives."
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Peacock, Doug. "Making the West Safe for Grizzlies." Audubon November/December 1997: 46+.
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Rembert, Tracey C., and Jim Motavalli. "Troubled Homecoming: Through Reintroduction Programs, Predators are Returning to the Wild, Challenging our Expectations and Fears." E March/April 1998: 28+.
Robbins, Jim. "Scientists are Disputing the Fate of the Grizzly." New York Times 23 June 1998: B12.
Stevens, William K. "Debating Nature of Nature in Yellowstone." New York Times 23 June 1998: B9+.
United States. Department of the Interior. Fish and Wildlife Service. Grizzly Bear Recovery in the Bitterroot Ecosystem: Draft Environmental Impact Statement. Missoula, Montana: U.S. Fish and Wildlife Service, July 1997.
___. ___. Fish and Wildlife Service. Grizzly Bear Recovery in the Bitterroot Ecosystem: Summary of the Draft Environmental Impact Statement. Missoula, Montana: U.S. Fish and Wildlife Service, July 1997.
Waller, John S., and Richard D. Mace. "Grizzly Bear Habitat Selection in the Swan Mountains, Montana." Journal of Wildlife Management 61 (1997): 1032-39.
Wuethrich, Bernie. "Wayward Grizzlies Spark Debate." Science 25 October 1996: 493.
Young, Donald D., Jr., and Thomas R. McCabe. "Grizzly Bear Predation Rates on Caribou Calves in Northeastern Alaska." Journal of Wildlife Management 61 (1997): 1056-66.
___. "Grizzly Bears and Calving Caribou: What is the Relation with River Corridors?" Journal of Wildlife Management 62 (1998): 255-61.
Image Credits::
Figure 1: Redrawn by Jim Stamos (UB Dept. of Biological Sciences) from Chapter 2, figure 2-3 of the Grizzly Bear Recovery in the Bitterroot
Ecosystem: Draft Environmental Impact Statement. Missoula, Montana: U.S. Fish and Wildlife Service, July 1997.
Figure 2: Redrawn by Jim Stamos (UB Dept. of Biological Sciences) from Chapter 2, figure 2-2 of the Grizzly Bear Recovery in the Bitterroot
Ecosystem: Draft Environmental Impact Statement. Missoula, Montana: U.S. Fish and Wildlife Service, July 1997.
Date Case Posted: 6/1/99 URLs Updated: 1/21/00 nas
Grizzly Bear: from the Summary of the Grizzly Bear Recovery Plan: U.S. Fish and Wildlife Service, 1993.