Bison ‘red dogs’ join stampede on shaky Yellowstone bridge

A Yellowstone National Park visitor on Sunday captured an extraordinary scene involving dozens of bison that charged down a mountain and onto a bridge.

A Yellowstone National Park visitor on Sunday captured an extraordinary scene involving dozens of bison that stampeded down a mountain and onto a bridge.

Vanessa Lynn-Byerly stated on Facebook that the bison “literally shook the bridge” as she tried to hold her camera still in the car. (View the video below.)

She told FTW Outdoors:

“The car shook when they first came onto the bridge and I asked my husband if there was something happening with the car and he said, no, that’s the hooves shaking our car!”

The stampede, which included bison calves, or red dogs, occurred on a bridge that leads to Lamar Valley.

Viewers first see the massive animals charging down the steep hill to access the bridge. On the bridge, hooves pound the pavement as calves try to keep pace.

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It was not clear what placed the iconic animals in such a hurry to cross the bridge, but it was an awesome display of power and grace.

Lynn-Byerly told her parents, jokingly, that the “sights and sounds” as the bison charged down the hill “reminded me of those old westerns they watch.”

Bison, which can weigh 2,000 pounds, are the largest land animals in North America. They can be viewed anywhere in the park, but sightings are common in Lamar and Hayden valleys.

Despite their size, bison can attain speeds of 30 mph.

Calves, affectionately referred to as red dogs, are typically born in April or May.

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Watch: Yellowstone bison plays traffic cop to protect calf

Last week in Yellowstone National Park, I encountered the smallest of bison jams, caused by a single bison that appeared to play crossing guard after the fact.

Last week in Yellowstone National Park I encountered the smallest of bison jams, caused by a single bison that acted as traffic cop after a calf sprinted across the road.

The scene unfolded after an adult male bison decided, suddenly, to charge across the highway. He was followed by the calf, and the young bison showed surprising speed in an amusing display captured on video.

Bison calf sprints across highway. Photo: ©Pete Thomas

Subsequently, the adult female in the accompanying footage ran onto the highway and froze in the middle of the road, as if to intentionally stop two-way traffic. (Video is best viewed with sound.)

She stood, stoically except for her swinging tail, for more than a minute before a motorist grew impatient and used his vehicle to coax the bison off the road. (Willie Nelson’s “On The Road Again” seemed appropriate for the Instagram reel.)

Perhaps the female was being protective in case the calf, possibly hers, were to cross the road again. Or perhaps this was merely where the female bison wanted to stop.

Ultimately, she joined the calf opposite the highway and the motorists moved on in pursuit of more adventures.

This occurred east of Tower Junction about a mile before the road ends – as part of a temporary closure caused by unprecedented flooding in June – at Slough Creek.

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