Alaskan, Matthew Cahill, was having some breakfast when outside his window a wildlife drama of life or death played out. Check out the video he shot of a momma moose chasing down a bear as it tries to go after her calf.

Tim Konrad is the founder of Unofficial Networks and a passionate skier with over two decades of experience in the ski industry. In 2006, he launched the blog from Lake Tahoe with his brother John, evolving...