The American robin is one of the most common and recognizable songbirds. Its numbers appear to be declining.

The American robin is one of the most common and recognizable songbirds. Its numbers appear to be declining.

American robins are so seemingly ubiquitous in the Chicago area, and across the United States, that they’re often not given a second thought.Estimates put their North American population somewhere between 350 and 400 million.Hundreds if not thousands of robins are known to descend each fall on a natural area near Horsetail Lake in the south suburbs, showcasing their vast numbers and often-overlooked beauty as they gobble up native berries.And a …