National Bird-Feeding Society
The National Bird-Feeding Society (NBFS) is an organization in the United States whose mission is to make the hobby of bird feeding better, both for people who feed wild birds and for the birds themselves. To fulfill its mission, the NBFS conducts research and promotes education on wild bird feeding Since its establishment in 1989, the NBFS has served as a resource for individuals to learn more about best bird feeding practices, and to provide information on how to move the bird feeding hobby beyond the backyard.
Source: Wikipedia — National Bird-Feeding Society (CC BY-SA 4.0)