Katy Payne is a visiting fellow with the Bioacoustics Research Program at Cornell University’s Laboratory of Ornithology. She was part of the research team that produced the original recording “Songs of the Humpback Whale.” Her book is “Silent Thunder: In the Presence of Elephants.” This interview is edited and produced with music and other features in the On Being episode “Katy Payne — In the Presence of Elephants and Whales.” Find more at onbeing.org.