Each spring, hundreds of thousands of swans, geese, cranes and other waterfowl descend on a Montana lake on their way to the Arctic. A small town festival draws thousands of bird fans.

The sky above the town of Choteau, Montana ... of birds fills the air. (SOUNDBITE OF BIRDS SQUAWKING) JUHLIN: Lisa Hudnutt, a retired local teacher, quickly sets up a spotting scope. Colors ...

It's cold, and the infamous Montana wind ... van about the different birds we'd see, and how many geese would be part of the morning takeoff. Fixing the scope towards the center of the lake, Hudnutt ...

As dawn broke in the eastern sky, it was -5 degrees on a crystal clear February morning at Bosque del Apache National Wildlife Refuge in central New Mexico. The sky ...

started by his grandfather and a partner in tiny Seeley Lake at a time when sawmills made economic sense amid the wilderness of Western Montana. But that time is well past, and last fall Johnson ...