AdvertisementU.S. Gets Middling Marks On 2014 'State Of Birds' Report CardSeptember 09, 2014Christopher JoycefacebookEmail"The State of the Birds" 2014 report found that red knots (above) and other shorebirds are among the most threatened groups in the U.S. More than half of U.S. shorebird species are on the report's Watch List — species that are currently endangered or at risk. (The Smithsonian Institution)