Home>>Photo Galleries>>Bird Photo Gallery Northern Saw-whet Owl Cornell’s All About Birds December 11,2016 Patuxent River State Park Photo by Howard Patterson Patuxent River State Park February 23, 2019 Photo by Kristin Trouton Clarksville/Glenelg December 15, 2007 Photo by Wes Earp Patuxent River State Park. January 25, 2017. Phenogram by David Cummings. Patuxent River State Park. January 25, 2017 recording by David Cummings.