Grizzly bear deaths near Yellowstone could fuel ESA fight

By Michael Doyle | 12/10/2025 04:17 PM EST

The numbers this year show a relatively high number of deaths in the Greater Yellowstone Ecosystem.

A grizzly bear stands next to plants.

A grizzly bear is shown. L Hupp/Fish and Wildlife Service/National Park Service

Grizzly bears this year died at elevated rates in and around Yellowstone National Park, according to the latest U.S. Geological Survey-led monitoring that could shape future Endangered Species Act debates.

The closely watched tally shows that from January through November a total of 71 grizzly bears are known to have died in what’s called the Greater Yellowstone Ecosystem. While that’s near last year’s overall total of 72, it’s more than the number of dead bears in all but one of the years between 2015 and 2023.

In 2019, the Interagency Grizzly Bear Study Team tallied a low of 42 known Yellowstone-area grizzly bear deaths.

Advertisement

Some wildlife advocates see the higher mortality numbers as a warning to think twice about possibly removing ESAprotections.

GET FULL ACCESS