The GBBC is a project of the Cornell Lab of Ornithology and the National Audubon Society, which provides a real-time snapshot of bird distribution across the nation. Occurring over a four day period (Feb. 17-20), the count helps answer migration questions about our birdlife such as how does snowcover influence bird movements, how has the timing of bird migration changed, and what birds might need attention due to a sudden decline.
Everyone is encouraged to participate because the Great Backyard Bird Count depends on data from citizens counting birds in their own backyards, parks, and open spaces. It’s easy to join in the fun, simply count the birds in the backyard for as little as fifteen minutes on one or more days of the count. Then submit your results online at: www.birdsource.org Become an ornithologist in your own backyard!
"The Great Backyard Bird Count is an annual four-day event that engages bird watchers of all ages in counting birds to create a real-time snapshot of where the birds are across the continent and in Hawaii. Anyone can participate, from beginning bird watchers to experts. It takes as little as 15 minutes on one day, or you can count for as long as you like each day of the event. It’s free, fun, and easy—and it helps the birds."
From "What is the GBBC?", BirdSource: Birding with a Purpose
GBBC is led by the Cornell Lab of Ornithology and The Audubon Society, with sponsorship from Wild Birds Unlimited. Much more information can be found at the official GBBC web site.
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