It’s an animal-eat-animal world out there, especially in Yellowstone National Park. There are almost 70 different mammal species in Yellowstone, and most of those can be separated into two categories: ...

Nature can be very dramatic. In the animal kingdom, life-and-death scenarios are always just around the corner. Even just a casual stroll with the herd can turn deadly in the blink of an eye. That’s ...

Bald eagles might be regarded as the most fearsome predators of the sky, but like any other wild creature, they do whatever it takes to survive ...

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A guide has captured dramatic footage showing two adult bison rushing to the rescue as wolves attacked a young calf in Yellowstone National Park. Michael Sypniewski, who guides for Yellowstone Wolf ...

Bison are playing a larger role in the sustenance of park wolves compared to past years as Yellowstone National Park’s bison herd has swelled and elk numbers have declined, according to the ...

This bison wasn’t putting up with one particular wolf’s bull. They say you’re always stronger in numbers, but this wolf pack learned the hard way that that’s not always the case. Incredible footage ...

A Yellowstone guide and wolf tracker captured the moment a bison calf had its life saved from a pack of wolves. In video posted Thursday to his Instagram account, Michael Sypniewski was filming at ...