Mystery bird by Brad Imhoff / Macaulay Library. Photos by Jess Proctor, David Wiles, and Rachel Sirwatka Macaulay Library mystery birds by Martina Nordstrand and Dorrie Holmes. California Scrub-Jay by FeederWatcher Steve Pearl in Aptos, California. Photo by Garden for Birds participant, California. Mystery bird by Sasha Smith / Macaulay Library. Mike Webster photo by Linda Sterk September’s featured photo from the Macaulay Library, Robust Woodpecker Campephilus robustus © Martjan Lammertink / Macaulay Library
