Fletcher, Neville H
Birdsong can be broadly classified into two categories: biphonic in which two different notes can be sung simultaneously, and monophonic in which only one note is sung. Monophonic song can be further divided into rich harmonic song, single-frequency song, and chaotic song. While some of these distinctions arise from clear anatomical features of the bird, others are more subtle and pose problems for physical scientists working in collaboration with biologists. This paper provides information on...[Show more]
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