Over the decades, several bird species have graced Christmas cards — doves (peace symbols), partridges (in a pear tree), nuthatches, blue jays, bluebirds, robins, Carolina wrens, chickadees and ...

Delaine Leblanc looks for birds near Chackbay, Louisiana, as she participates in the 2017 Christmas Bird Count. It's been 120 years since New York ornithologist Frank Chapman launched his ...