Every year, Yellowstone National Park welcomes millions ... "I spotted a gorgeous black wolf making his way up the valley. I also spotted this fool who decided to take his shirt off and chase ...

A guide in Yellowstone National Park on Monday shared stunning footage showing a black wolf partially obscured by mist as other wolves remained mostly hidden in the background. “This was the ...

In this incredible video, captured at Yellowstone National Park, a black-colored gray wolf crosses the road. We can all hope the theoretical chicken crossed it sooner. When the video is captured ...

The dark fur is rare in Europe due to a reduced genetic diversity, but at least half of the wolf population has black fur in Yellowstone National Park in the United States. Because wolves travel ...

A Wyoming-based guide has captured dramatic footage showing an elk running for its life while being chased by a wolf in Yellowstone National ... Gray wolves (some are black) typically require ...

Languages: English, French Two rare black ... wolf crossing a stream in a Polish forest last summer. SAVE Wildlife Conservation Fund Poland via AP Several studies of black wolves in Yellowstone ...

For more than a decade a passionate debate has reverberated within Yellowstone National Park’s scientific community regarding wolf reintroduction ... densities of black bears in the northern ...

Male black bears in Yellowstone average between 200 and 300 pounds with females ranging from around 135 to 200 pounds. They stand about 3 feet tall at the shoulder and can live 15 to 30 years.

In one clip, a black wolf and a gray wolf slowly crossed a stream in the forest, the water nearly up to their bellies, before they leap onto the bank. A second clip, taken last fall, records two ...