The longest running Citizen Science survey in the world, Audubon’s annual Christmas Bird Count (CBC) will take place from December 14, 2010 to January 5, 2011. Tens of thousands of volunteers throughout North America will brave winter weather to add a new layer to over a century of data.\
Scientist rely on the remarkable trend data of Audubon’s CBC to better understand how birds and the environment are faring throughout North America – and what needs to be done to protect them. Data from Audubon’s signature Citizen Science program are at the heart of numerous peer-reviewed scientific studies. CBC data informs the U. S. State of the Birds Report, issued by the Department of the Interior each spring. CBC analyses also revealed the dramatic impact Climate Change is having on birds across the continent.
The Audubon Christmas Bird Count began in 1900 when Frank Chapman, founder of Bird-Lore (which evolved into Audubon magazine) suggested an alternative to the “side hunt,” in which teams competed to see who could shoot the most game, including birds. Chapman proposed that people “hunt” birds only to count them. Now Binocular Brigades often brave winter’s chill, ice and snow to record changes in resident populations before spring migrants return.
"The Christmas Bird Count becomes more important every year," said Audubon President David Yarnold. “The information gathered by its army of dedicated volunteers leads directly to solutions. At a time when people wonder if individual actions can make a difference, we know that our volunteers enable scientists to learn about the impacts of environmental threats like climate change and habitat loss. That’s good news not just for birds but for all of us.
Audubon CBC data not only helps identify birds in most urgent need of conservation action; it reveals success stories. The Christmas Bird Count helped document the comeback of the previously endangered Bald Eagle, and significant increases in waterfowl populations, both the result of conservation efforts.
“Everyone who takes part in the Christmas Bird Count plays a critical role in helping us focus attention and conservation where it is most needed,” said Audubon's Director of Bird Conservation, Dr. Greg Butcher. “In addition to Audubon’s reports on the impacts of Climate Change on birds and our analysis of Common Birds in Decline, it is the foundation for Audubon’s WatchList, which most identified species in dire need of conservation help.
“The Christmas Bird Count is all about the power of Citizen Science,” says Geoff LeBaron, Audubon's Christmas Bird Count Director. “Our theme is ’I Count’ because the work of tens of thousands of volunteers, extending over a century, really adds up.”
Counts are often family or community traditions that make for fascinating stories. Accuracy is assured by having new participants join an established group that includes at least one experienced birdwatcher. Count volunteers follow specified routes through a designated 15-mile (24-km) diameter circle or can arrange in advance to count the birds at home feeders inside the circle and submit the results to a designated compiler. All individual Christmas Bird Counts are conducted between December 14 and January 5 (inclusive) each season, with each individual count occupying a single calendar day.
The prestigious journal Nature issued an editorial citing CBC as a "model" for Citizen Science.
A New York Times opinion piece captured the pleasure and precision of counting: “The personal joy they experience from patiently spotting and jotting down each flitting fellow creature, exotic or not, is balanced by a strong pragmatic factor in the management of the census by the National Audubon Society.”
Check this web page in order to join a count.
To learn how to identify birds, and become a bird watcher, locate an Audubon Center near you. Meanwhile, here are a few Birding Basics.
For images and bird songs you can download, see our Christmas Bird Count Press Room.
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