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A spectacular male Raggiana Bird-of-paradise feeling his oats. Photo by participant Randy Beaton.
Some birds prove particularly challenging for taxonomists to classify, and so it is with Rufous-naped Bellbird, formerly a whistler and now in the tiny family Oreoicidae. Photo by guide Doug Gochfeld.
Growling Riflebird live up to their name. They make some truly astonishing sounds. Photo by participant Sid England.