The Least Popular Birds in the U.S. Deserve Some Love

The Least Popular Birds in the U.S. Deserve Some Love

When I was in sixth grade, the cool girls at my school drew up a document they called the popularity pyramid. Now a pair of scientists are doing something similar with the birds of the United States. In a paper published Monday in the Proceedings of the National Academy of Sciences, they ranked 621 avian species by their popularity.