2025年1月7日 · In Yellowstone, 90% of their winter prey is elk; 10–15% of their summer prey is deer. They also kill bison. Many other animals benefit from wolf kills. For example, when wolves kill an elk, ravens and magpies arrive almost immediately. Coyotes arrive soon after, waiting nearby until the wolves are sated.

2007年1月21日 · Wolves are altering the abundance, distribution, group sizes, movements and vigilance of elk. There are some indications that these interactions may be causing new growth in willows as elk are kept on the move by wolves and don’t stay to browse in any one area very long.

3 天之前 · As Yellowstone’s most abundant ungulate, elk comprise approximately 85% of winter wolf kills and are an important food for bears, mountain lions, and at least 12 scavenger species, including bald eagles and coyotes.

2025年1月28日 · The not-so-good-news is that the video below shows that one bull elk was targeted multiple times by this wolf pack. Though it was able to hold its own – even landing a nasty kick on one of the canines, and successfully utilizing its antlers in defense on another – the large antlered animal appeared to be exhausted by the chase both times it ...

2024年10月23日 · What eased the impact of elk wasn’t fear of wolves, but a guild of predators, including human hunters, which killed enough elk to let vegetation partly recover, according to a new paper published today in Ecological Monographs. There is little evidence wolves frighten elk merely by their presence, the authors say.

A pack of Wolves move in for the kill on a herd of Elk...Subscribe: http://bit.ly/BBCEarthSubWATCH MORE: New on Earth: https://bit.ly/2M3La96 Oceanscapes: ht...

2024年6月15日 · A Wyoming-based guide has captured dramatic footage showing an elk running for its life while being chased by a wolf in Yellowstone National Park. Bo Welden’s footage (posted below) begins with...

The Wapiti Lake wolf pack in Yellowstone National Park hunted down and killed a bull elk in Hayden Valley. This video shows the gray wolves attacking the elk and eventually driving it behind...

Researchers have also determined that wolves, in the recent absence of hard winters, are now the primary reason for elk mortality. Before wolf reintroduction, deep snows were the main determinant of whether an elk was going to die.

Elk and willows play a critical role in wolves' success in the Yellowstone National Park ecosystem, willows serving as browse for elk--and elk as food for wolves. But there's another species involved, one that's instrumental to these well-choreographed steps: the beaver.