It’s part of a rise in citizen science projects in which volunteers collect data about the natural world for use by researchers.Īnd if it gets more people interested in bird-watching, so much the better, says Steve Kistler. This global data goes into the eBird database used by scientists for research on bird populations, which have declined sharply overall in past decades. (Rowan Keunen/Macaulay Library/Cornell Lab of Ornithology via AP) The global count by volunteers helps scientists studying the decline of bird populations worldwide. The dark-eyed junco, one of the most common forest birds in North America, is among species likely to be spotted by participants in the Great Backyard Bird Watch, running Feb. This image provided by Macaulay Library/Cornell Lab of Ornithology shows a dark-eyed junco.
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