Why is birdwatching so rewarding? Bird guide, Harry Fuller, says it's about three things: It's free. You can do it wherever you are. And it's fun! Once you start watching, you really appreciate the beauty, the complexity, and the wonder of what's going on in the world around you. Like…

Barn Swallows are heading south by now, many headed for South America. Birding guide Harry Fuller says: "Just think! You got this tiny little brain, smaller than a walnut, and you spend the summer in Oregon and you've got to go to Chile for the winter, 'cause you're a Barn Swallow, and you…