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Great Backyard Bird Count (GBBC)

A massive effort co-sponsored by Cornell University's Laboratory of Ornithology and the National Audubon Society, the Great Bird Count's goal is to "provide a detailed picture of how bird populations compare region-by-region, as counted by ordinary citizens at the time of year when most migratory birds are just getting ready to head back north from their wintering grounds." The site contains summary data on the number of observers reporting (by postal code, state, and hour), the total number of birds recorded (by species), and--of greatest value--color maps of species distributions (including all locations surveyed). In addition, 10-year trends from Project Feeder Watch are provided for comparison. Note that "raw data" maps and summaries are currently being added to provide immediate access to data; charts have not yet been checked for accuracy.
Alternate Title
Great Backyard Bird Count Sponsored by Cornell Lab of Ornithology and National Audubon Society
Archived Scout Publication URL
Scout Publication
Date of Scout Publication
March 6th, 1998
Date Of Record Creation
April 3rd, 2003 at 5:03pm
Date Of Record Release
April 3rd, 2003 at 5:03pm
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