ML308002

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Prefix: 14 Bands: 8M30 Plumage: Black 5 Sector: 19 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: The second segment is a continuous recording with the volume of the voice announcements significantly lowered to maintain temporal continuity.