Birding in AmericaPlay
They're not just middle-aged men in field socks; now it's iPod-toting teenagers, white-haired grandmas: up to 80 million Americans are answering the call to watch birds.
It's a 400-year-old pastime, but today, with climate change and urban sprawl, bird species are on the decline. Hummingbirds and ravens are feeling the heat.
This hour, On Point: Birds, and the future of bird watching in America.
Scott Weidensaul, naturalist and birder, author of the new book, "Of a Feather: A Brief History of American Birding."
Kenn Kaufman, author and illustrator for the "Kaufman Field Guide to Birds of North America."
This program aired on November 29, 2007.