But there's one such project, involving tens of thousands of amateur nature observers, that's been under way for 112 years — the annual Christmas Bird Count of the National Audubon Society. (dotearth.blogs.nytimes.com)
You might also want to join with bird watchers of all ages across North America for the 15th Annual Great Backyard Bird Count Feb. 17 - 20. (carolinaparent.com)
LINCOLN, MA — Help keep bird populations strong and healthy throughout the coldest season and all year long by participating in Mass Audubon's annual Focus on Feeders statewide winter bird count Saturday and Sunday, February 1 - 2. (massaudubon.org)