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

The National Park Service is clearing up any misconceptions on whether wildlife is migrating away from Yellowstone National ...

"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.

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

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.

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

Fewer bison migrated out of Yellowstone National Park this winter, reducing the hunter harvest to almost 170 animals, according to numbers compiled by Montana Fish, Wildlife & Parks.

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 ...

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 ...