The number one reason to have a bird feeder near your home, of course, is to enjoy observing the birds that come and go and their behavior. And when northern winters are at their most severe, you may also be helping some birds survive.
But there is another potential and broader benefit, for both birds and perhaps your own satisfaction, that can arise from feeding birds: letting scientists know what you are seeing. Even common birds such as chickadees and juncos carry important messages about the health of bird populations and trends among them. The problem, of course, is that ornithologists can’t be in very many places at any given time. But bird enthusiasts can be, and they can function as “citizen scientists.” » Continue Reading.