CHRIS MORGAN

As usual, there's plenty happening in the natural world right now. We've rounded up our favorite links for your reading and listening pleasure...

A storm sets in. When the ocean freezes over, polar bears head out on the pack ice to hunt.

A brown bear mother and her cubs come within feet of ecologist and bear biologist Chris Morgan. Watch video from Bears of the Last Frontier: City of Bears.

The scent that a female brown bear gives off helps the male determine if she is receptive to mating. Watch video from Bears of the Last Frontier: City of Bears.

Chris Morgan shares his thoughts on the recent report of polar bear intraspecies violence.

Ecologist Chris Morgan and filmmaker Joe Pontecorvo decide to head out after an agitated polar bear begins to approach.

As loss of pack ice in Alaska's north increases, polar bears struggle to navigate an ocean of melting ice.

With help from its mother, a cub catches its first salmon at Brooks Range, high in the Alaskan Arctic.

Huge herds of caribou play an integral role in shaping Alaska's Arctic landscape.