Chimney Swifts started moving through the Chicago area in big numbers in late September, and as I write this in early October are still on the go. I captured this group as they swarmed over the point on their way south.
Chimney Swifts started moving through the Chicago area in big numbers in late September, and as I write this in early October are still on the go. I captured this group as they swarmed over the point on their way south.