To date, park staff have been unable to locate the calf,” the National Park Service announced on its website Friday.

Harlequin Ducks – LeHardy’s Rapids near Hayden Valley is one of the only places in Yellowstone you can see Harlequin Ducks.

MAMMOTH HOT SPRINGS, WY — Yellowstone National Park will create a new Bear Management Area (BMA) in Hayden Valley ... come out of hibernation in early March. Females with cubs emerge in April ...

On a recent early ... Yellowstone’s wolves now number about 100 in 10 packs that inhabit all of the park’s 3,500 square miles. But they’re most often spotted in the Hayden Valley and perhaps ...

About 50 Yellowstone National Park visitors got the wildlife viewing opportunity of a lifetime in late January. Perched above Hayden Valley, they watched as the Wapiti Lake wolf pack pursued a ...

MAMMOTH HOT SPRINGS – To protect bears and increase visitor safety, Yellowstone National Park will create a new bear management area (BMA) in Hayden Valley, which will prohibit off-trail travel ...

On a recent early ... Yellowstone’s wolves now number about 100 in 10 packs that inhabit all of the park’s 3,500 square miles. But they’re most often spotted in the Hayden Valley and perhaps ...