Grizzly Bears Emerge from Hibernation in Yellowstone National Park

As spring approaches, the emergence of grizzly bears in Yellowstone National Park marks a significant seasonal event. The first grizzly bear of 2026 was sighted on March 9, five days earlier than the previous year. This bear was observed scavenging on a bull bison carcass, a common behavior as bears seek food after their hibernation period. Male grizzlies typically emerge first, driven by hunger, while females, often with cubs, emerge later in April and early May.

Yellowstone’s First Grizzly Bear of the Year Signals the Start of Bear SeasonHere's what to do if you encounter a grizzly bear as first one emerges from hibernation at Yellowstone

The National Park Service (NPS) has issued warnings for visitors regarding bear encounters. As grizzlies search for food, they may react aggressively, especially when feeding on carcasses. The NPS advises maintaining a distance of at least 100 yards from both black and grizzly bears, as approaching them is prohibited. Visitors are encouraged to carry bear spray, hike in groups, and remain vigilant while on trails. If a bear encounter occurs, the NPS recommends specific actions: for grizzly attacks, play dead; for black bear attacks, escape if possible.

Here's what to do if you encounter a grizzly bear as first one emerges from hibernation at YellowstoneYellowstone’s First Grizzly Bear of the Year Signals the Start of Bear Season

Historically, grizzly bears faced significant population declines due to land development and human conflict. In 1975, their numbers dwindled to as low as 136 individuals, but conservation efforts have since led to a rebound. Currently, the Greater Yellowstone Ecosystem (GYE) is home to approximately 1,000 to 1,100 grizzlies. This recovery is attributed to better education on coexistence and bear safety, which has reduced fatal encounters between humans and bears.

Yellowstone’s First Grizzly Bear of the Year Signals the Start of Bear SeasonHere's what to do if you encounter a grizzly bear as first one emerges from hibernation at Yellowstone

The emergence of grizzly bears in March signals not only the start of bear season but also highlights the ongoing challenges of human-bear interactions. As the bear population grows, their territory overlaps increasingly with human areas, leading to potential conflicts. The NPS emphasizes the importance of public awareness and education regarding bear safety to ensure both human and bear welfare.

Here's what to do if you encounter a grizzly bear as first one emerges from hibernation at Yellowstone

The NPS has reiterated the need for caution, stating, "Bears may react aggressively to encounters with people when feeding on carcasses." They stress the importance of being prepared for bear encounters and understanding the behavior of these animals during their first weeks out of hibernation.

Here's what to do if you encounter a grizzly bear as first one emerges from hibernation at Yellowstone

Some wildlife advocates argue that despite the recovery of grizzly populations, the increasing overlap with human habitats poses risks that need to be addressed more effectively. They call for enhanced measures to protect both bears and human communities, emphasizing that education alone may not suffice in preventing conflicts.

Yellowstone’s First Grizzly Bear of the Year Signals the Start of Bear Season

• “Bears may react aggressively to encounters with people when feeding on carcasses. Male grizzlies come out of hibernation in early March,” — National Park Service

Here's what to do if you encounter a grizzly bear as first one emerges from hibernation at Yellowstone

• “Quick Take The first Yellowstone grizzly of 2026 was sighted on March 9.” — A-Z Animals

Yellowstone’s First Grizzly Bear of the Year Signals the Start of Bear Season

• “Better education on how to coexist with the species, along with bear safety, is a big part of its rebound.” — A-Z Animals

Yellowstone’s First Grizzly Bear of the Year Signals the Start of Bear Season

As grizzly bears emerge from hibernation, the focus remains on ensuring safety for both wildlife and visitors in Yellowstone National Park.

Here's what to do if you encounter a grizzly bear as first one emerges from hibernation at YellowstoneYellowstone’s First Grizzly Bear of the Year Signals the Start of Bear Season