The bears of Alaska's bear cam should have left the river by now. Why are they still here?

Thousands of fish are ripped to shreds along the Brooks River each July. 

With a glut of fresh salmon at their disposal, many brown bears just munch the fatty skin and brains of the fish, leaving the bright red meat for lesser bears. 

By later July, once the salmon run peters out, however, most of the bears usually vanish into the dense woods from whence they came, seeking fresher feeding grounds. 

But it's August 1, and Katmai National Park's Brooks River — home to explore.org's five live-streaming webcams — is still bustling with brown bear activity. Read more...

More about Science, Bears, Alaska, Salmon, and Bearcam