Renowned ornithologist and Audubon field guide editor Kenn Kaufman explains why tyrant flycatchers are so difficult to identify here in the Southwest. It's not about looks; it's about vocalization, he says. A report on the world-famous 'Thrasher Spot' at Beeline and Salome Highway west of Phoenix. The site has been leveled to make way for a massive solar farm. Bird of the episode: the Loggerhead Shrike. Birding hotspot: Buckskin Mountain State Park. Friend of wildlife organization: Arizona Land and Water Trust. Calendar of bird-friendly events coming up in Arizona.