the beauty and the wonder of birds. serena altschul will be reporting our cover story. right there. eporter: every year thousands of migratory song birds and thousands of bird watchers. there he is. oh, he s beautiful. reporter: . meet in northwest ohio at the magee marsh board walk. you never know what you re going to find out there. it s like a treasure hunt in some ways. reporter: the the 47 million bird watchers across the country, birding is both popular and easy. take anyone to a city park this time of year when birds are moving, they can see incredible things. reporter: later on sunday morning, what s in your backyard? osgood: also this holiday weekend we ll take time to remember the men and women who died serving our country in war time. lee cowan introduces us to a man whose long-neglected photographs of americans at war in vietnam shed new life on a time gone by. for some 45 years, these pictures and thousands of others sat in a shoebox, unopened f