Whitebark pine that feeds grizzlies is threatened, US says

Whitebark pine trees can live more than 1,000 years, but in just two decades more than a quarter of the trees that are a key food source for some grizzly bears have been killed by disease, climate change, wildfires and voracious ...

Declining bat populations are a cause for human concern

Fewer bats will be flapping through the evening skies in the coming months. It's the time of year where some species go into hibernation, cozying up in narrow rock crevices or caves to overwinter.

Wildlife populations plunge 69% since 1970: WWF

Wild populations of monitored animal species have plummeted nearly 70 percent in the last 50 years, according to a landmark assessment released Thursday that highlights "devastating" losses to nature due to human activity.

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