Photo by Chris Bosak
American Goldfinches eat from a feeder at Cove Island Park in Stamford, March 2015.

Photo by Chris Bosak
Pine Siskins and American Goldfinches share a Nyjer feeder at Cove Island Park in Stamford, March 2015.

What’s the difference between these two photos?

It’s not one of those find 10 subtle differences puzzles, but rather a pretty simple quiz and lesson in paying attention closely to your feeders. These photos were taken about 10 minutes apart the other day at Cove Island Wildlife Sanctuary in Stamford, Conn.

The top photo, taken first, shows all American Goldfinches on a feeder offering Nyjer seeds. At first glance the next photo appears to show a bunch of American Goldfinches, too. But there’s more to that seco Continue reading →