Photo Gallery Male Western Bluebird by Diane R. Blume Male Tree Swallow by Kurt Bauschardt Violet-green Swallow by NPS-Jacob Frank Ash-throated Flycatcher by Andrew C. Wikimedia Commons House Wren by Rhododentrites Bewick's Wren by Becky Matsubara Oak Titmouse by Peggy Honda Mountain Chickadee by Andy Reago and Chrissy McClarren White-breasted Nuthatch by Dave Furseth American Kestrel by Joe Galkowsky Barn Owl by Joe Galkowski Western screech Owl by Joe Galkowsky Wood Duck by Rhododentrits