National Geographic Field Guide to the Birds of the United States and Canada--East, 2nd EditionTed Floyd · First published 2025Open the Tome
National Geographic Field Guide to the Birds of the United States and Canada--West, 2nd EditionTed Floyd · First published 2025Open the Tome
National Geographic Field Guide to the Birds of the United States and Canada, 8th EditionTed Floyd · First published 2025Open the Tome
American Birding Association Field Guide To The Birds Of ColoradoTed Floyd · First published 2014Open the Tome
