Bird Lovers Hope to Increase State’s Bluebird Population

For many years, Colorado's bluebird population was on the decline. But that's changing, thanks to the efforts of people like Kevin Corwin. He’s a volunteer with the Colorado Bluebird Project, a program of the Audubon Society of Greater Denver. He’s working with the state to find volunteers who can put up man-made nests and then monitor the birds’ success. He talks to Ryan Warner.