US EditionWYDOT Wildlife Crossings See Early Success with Bear Wighting
- On May 13, 2025, staff at Grand Teton National Park discovered two deceased yearling grizzly bears located roughly 250 yards apart within a restricted zone situated to the south of Colter Bay.
- The deaths are believed to have been caused by a male grizzly bear killing cubs that were not his own, a natural cause of cub mortality that has been documented before within Grand Teton National Park.
- The mother bear GB1063, observed in the area with yearling cubs near developed and residential zones, was hazed by staff to reduce human-wildlife conflicts following park policy.
- Bear biologist Justin Schwabedissen explained that the loss of cubs due to attacks by other bears is a routine cause of cub deaths within the Greater Yellowstone Ecosystem.
- Park staff continue monitoring the area, advising visitors to carry bear spray, maintain distance from wildlife, and report sightings to maintain safety.
13 Articles
13 Articles
WYDOT wildlife crossings see early success with bear wighting
TETON COUNTY, Wyo (KIFI) — The Wyoming Department of Transportation is celebrating early success in wildlife crossing projects developed along the Snake River Bridge and Wyoming State Highway 22. A local rancher recently spotted a grizzly bear moving through the area near the project, already using the crossing structure despite the ongoing construction in the area, according to WYDOT. The rancher notified WYDOT engineers, who were able to captu…
Two yearling grizzly bears found dead in Grand Teton National Park
EastIdahoNews.com file photo The following is a news release from Grand Teton National Park. MOOSE, Wyoming – On the morning of Tuesday, May 13, Grand Teton National Park staff discovered the carcasses of two yearling grizzly bears in a closed area south of Colter Bay. The bears were found approximately 250 yards apart, and both showed signs of depredation by a larger bear. Following the discovery, law enforcement and wildlife staff conducted ex…
Male Bear Kills, Cannibalizes 2 Of Grizzly 1063’s 3 Yearling Cubs In Grand Teton
Fans of a prominent female grizzly in Grand Teton National Park were saddened to learn Wednesday that two of her three yearling cubs were apparently killed and cannibalized by a male bear. While brutal, it’s what male bears do.
The Billings Gazette
Greek tragedy: Male grizzly kills, devours 2 Grand Teton cubs
The sow had frequently been observed in recent weeks with three yearling cubs but none were observed with her during the sighting. The status of the third yearling remains unknown.
2 of 3 grizzly bear cubs found dead in Wyoming national park
MOOSE, Wyo. – A pair of grizzly bear cubs have been found dead in Grand Teton National Park, and their triplet cub is still missing. According to the National Park Service, the remains of two yearling cubs were discovered by staff Tuesday in a closed area of Colter Bay. FLORIDA MAN KILLED IN FIRST FATAL BEAR ATTACK IN STATE HISTORYThe deceased cubs had evidence they'd been preyed upon by an older grizzly bear. After finding the cubs, law enforc…
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