The 109th annual Christmas bird count

One of last week’s Nature editorials extols the 109th annual Christmas bird count, a tradition started by the National Audubon Society as an alternative to the former competitive sport of shooting birds to mark the holidays.  The survey, which takes place during a three-week interval that overlaps Christmas and New Year’s Day each year, involves birders of all ages and backgrounds from around the globe traipsing through the...

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