ML308136

媒体文件注释

Prefix: 18, N/A, 17
Bands: 70M9, unbanded (above 796), 31M1
Plumage: Black 2, 2, N/A
Sector: 8
For additional details about field methods, see: 40 Years of Evolution: Darwin's Finches on Daphne Major Island, by Peter R. Grant and B. Rosemary Grant. Princeton University Press, 2014.
ML: 250 Hz high-pass filter applied in Adobe Audition.
ML: This is a continuous recording with the volume of the voice announcements significantly lowered to maintain temporal continuity.