Yellowstone is home to hundreds of species of birds, fish and mammals, according to the NPS. It is the only national park in ...

Animals from a variety of species were seen leaving the park in herds, causing fear of an eruption, but were noted as ...

Rumors abound as animals are leaving Yellowstone National Park en masse. Is the Yellowstone supervolcano about to erupt?

The same person was the source of rumors that bears and mountain lions were leaving the national park in mid-2025.

Why are the animals leaving Yellowstone National Park? Videos featuring mountain lions, bears and more go viral after the ...

Yellowstone National Park is home to a huge and varied range of animal life but in recent days, many creatures appear to be ...

When budding wildlife photographer Joe Riis first told biologist Hall Sawyer about his plans to photograph the newly discovered longest pronghorn migration in the world, Sawyer was, well, unsure.

Much of the current research on migration taking place in Wyoming stems, at least in part, from the work of Hall Sawyer, who grew up hunting and fishing in the state and has studied its wildlife ...

The National Parks Conservation Association’s wildlife connectivity program, celebrating its 15th year, is helping the herd make a comeback. After the Yellowstone Park pronghorn herd hit a low of 190 ...

"Wildlife is not leaving Yellowstone National Park in large numbers," Linda Veress, spokesperson for the National Park ...

When budding wildlife photographer Joe Riis first told biologist Hall Sawyer about his plans to photograph the newly discovered longest pronghorn migration in the world, Sawyer was, well, unsure.

When budding wildlife photographer Joe Riis first told biologist Hall Sawyer about his plans to photograph the newly discovered longest pronghorn migration in the world, Sawyer was, well, unsure.