This document appears to be from a February 2010 issue of Birders World magazine. The summary provides information on featured articles, including locations with abundant and thrilling bald eagle sightings, identification tips from experts Kenn Kaufman and David Sibley, songs birds that sing at night, what can be learned from the color of a cardinal's bill, the top 25 places to see eagles, why mourning doves lose their toes, winter-friendly bird feeders, and the winner of the photo of the week contest, along with maps and directions for birding locations this winter. The issue also has new bird identification photos and a review of 8 lightweight binoculars.