XX Natural Sound Recordings Eric recording bird songs in the field Eric trained in natural sound recording at the famed Cornell Library of Natural Sounds and can record natural sounds using high quality equipment to produce digital audio files and sound spectrograms. Elepaio song spectrogram Examples of digital audio files Hawaii Elepaio https://pacificrimconservation.org/wp-content/uploads/2013/10/Elepaio.mp3 Akiapola’au https://pacificrimconservation.org/wp-content/uploads/2013/10/Akiapolaau.mp3