Obsessed with the ornithologist (Mario Cohn-Haft) who heard a birdsong he didn’t recognize in 1988, predicted that the song was made by a new species of bird, and then spent the next 25 years looking for it before finally discovering evidence for the previously undescribed species in 2013.” Proposal (586) to South American Classification Committee. Predicted antwren birdsong and three recordings of other birdsong shared by Cohn-Haft on xeno-canto, “Sharing bird sounds from around the world”.