US state reports first litter of wolf pups in 80 years

Colorado has reported its first litter of gray wolf pups in 80 years, a major milestone in the US state's efforts to reintroduce the iconic species even as it stands imperiled in other parts of the country.

Tasmanian devils born on Australian mainland in rewilding push

Tasmanian devils have been born in the wild on Australia's mainland 3,000 years after the marsupials disappeared from the continent, conservation groups said Tuesday, raising hopes that a major rewilding effort could succeed.

Wolves scare deer and reduce auto collisions 24%, study says

Ecologist Rolf Peterson remembers driving remote stretches of road in Michigan's Upper Peninsula and seeing areas strewn with deer carcasses. But that changed after gray wolves arrived in the region from Canada and Minnesota.

Yellowstone National Park is hotter than ever

Yellowstone National Park is famous for harsh winters but a new study shows summers are also getting harsher, with August 2016 ranking as one of the hottest summers in the last 1,250 years.

Human hiking trails custom built for sauntering grizzlies

In the run up to hibernation, grizzly bears go on a colossal binge, consuming as many calories as possible to get them through the long winter. Yet, little was known about how much energy the massive mammals use as they shamble ...

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