Arctic terns may navigate climate dangers

Arctic terns—which fly on the longest migrations of any animal on Earth—may be able to navigate the dangers posed by climate change, new research suggests.

Ponderosa forests struggle in the face of Southwest megadrought

Ponderosa pine trees are one of the most ubiquitous conifer species in western North America, extending from southern British Columbia all the way down to northern Mexico. In the American Southwest, winter snowmelt and summer ...

In a changing ecosystem, Yellowstone grizzly bears are resilient

Grizzly bears in the Greater Yellowstone Ecosystem have been able to gain the body fat they need for hibernation even as population densities have increased and as climate change and human impacts have changed the availability ...

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