2018 Grizzly Bear Deaths at Record-Breaking Pace

As of September 4, there have been 35 known or probable grizzly bear mortalities in the Greater Yellowstone Ecosystem in 2018. Photo by Roger Hayden
Wyoming Wildlife Advocates Logo

Melissa Thomasma

Executive Director

JACKSON HOLE, WY – According to data released by the Interagency Grizzly Bear Study Team, as of September 4, there have been 35 known or probable grizzly bear mortalities in the Greater Yellowstone Ecosystem in 2018. This number represents an increase of 66% over last year’s toll of 21 deaths at the same date.

Over half of mortalities are from “Management Removals,” and 31% are “Under Investigation,” which means that 88% of grizzly deaths this year have been human-caused. “Under Investigation” usually indicates that a grizzly was illegally poached, killed in self defense or in defense of livestock, or by a hunter as a result of mistaken identity. Management removals typically are a result of conflicts with livestock or humans. Of the remaining bear deaths, only 9% are classified as “Natural.”

With the region’s deer and elk hunting beginning, the number of bears killed as a result of conflicts with people is almost certain to continue its upward trajectory. In 2017, at least 11 grizzlies died as a result of hunting-based conflicts.

“Especially with a trophy hunt of grizzlies still potentially on the horizon, this year’s mortality numbers are deeply concerning,” says Wyoming Wildlife Advocates Executive Director Melissa Thomasma. “This unprecedented mortality rate underscores the fact that this hunt is not supported by science.”

Noting that a two-week restraining order recently halted a grizzly bear hunt that was scheduled to begin on September 1st in Wyoming and Idaho, Thomasma adds “It’s impossible to know what the ramifications of killing even more grizzlies could be for the long-term health of the population. However, the data is clear; significantly more bears have died in 2018 than in previous years. The additional pressure of a hunt could be catastrophic.”

For more information, please contact Melissa Thomasma at melissa@wyowild.org or at 307.690.2673.

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