U.S. and Canada To upload photos to the gallery, please join our online community. Register Login Previous Next Search Galleries: Search Black-throated Blue Warbler Posted by John Frazier on October 16, 2020 at 11:02 pm Views 8 October 15, 2020. Blue Ridge Mountains, NC. Nikon D500, ISO 180, 1/320, f/6.3. Female warbler.