University of Wisconsin avian biology professor Mark Berres tells us about his new birdsong ID software. Plus, we stump our callers in the Mystery Bird contest; and Mike O'Connor answers an unusual listener question.
A summer Hummer bummer, and we test out a couple of iPhone accessories.
We give a thumbs up to an amazing new iPhone app called BirdsEye. Also, BirdWatcher's Digest editor Bill Thompson III tells us about his new book, and Mike O'Connor gives a thumbs down to "enhanced" suet.