Now it's our turn to be on best behavior. For 27 years, Jackson Hole Grizzly 399 has been strolling into human, biological and conservation history in the Greater Yellowstone Ecosystem.
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While sources vary and Yellowstone National Park has its own accurate information in terms of grizzly bear tracks, the biggest grizzly bear to ever roam Yellowstone was estimated to be between 600-800 pounds.
Take the Encounter SeriouslyBear encounters, however, are still relatively dangerous, as both grizzly and black bears, the two species of bear found in Yellowstone, can act aggressively if they feel threatened.
Weighing as much as 700 pounds apiece, they had no serious rivals. Grizzly bears, Yellowstone's top predators, are capable of bringing down an adult elk, but they mainly prey on calves. Coyotes, though numerous, were much too small to attack elk.
The first grizzly bear sighting of 2022 in the Jackson Hole area occurred on March 13 in Grand Teton National Park. When bears emerge from their dens, they search for any available foods and often scavenge animals that died during the winter. Seeing a bear in its natural habitat is an awe-inspiring experience.