"Utterly captivating and beautifully written, this book is a hugely entertaining and enlightening exploration of a bird so wickedly smart, curious, and social, it boggles the mind."-Jennifer Ackerman, author of The Bird Way "A fascinating, entertaining, and totally engrossing story."-David Sibley, author of What It's Like to Be a Bird An enthralling account of a modern voyage of discovery as we meet the clever, social birds of prey called caracaras, which puzzled Darwin, fascinate modern-day falconers, and carry secrets of our planet's deep past in their family history. "As curious, wide-ranging, gregarious, and intelligent as its subject."-Charles C. Mann, author of 1491 In 1833, Charles Darwin was astonished by an animal he met in the Falkland Islands: handsome, social, and oddly crow-like falcons that were "tame and inquisitive . . . quarrelsome and passionate," and so insatiably curious that they stole hats, compasses, and other valuables from the crew of the Beagle. Darwin wondered why these birds ...