We describe, for the first time, the rattling call of the Crested Honey Buzzard Pernis ptilorhynchus. This was previously considered to be a unique vocalization of European Honey Buzzard Pernis apivorus; however, we detected this series of rapidly repeated notes given by an adult female, a second-year, a juvenile and a nestling Crested Honey Buzzard. The rattling calls appeared to be given at times of great excitement, such as to an approaching intruder, mate or parent at the nest, or to a familiar person who usually gave food in the case of captive individuals. The rattling call of an adult female Crested Honey Buzzard at the nest was at a frequency of 2.12 (s.d.±0.07) kHz, and lasted 141 (s.d.±18) ms, which was higher and longer than in European Honey Buzzard.
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26 January 2023
Rattling Call of Crested Honey Buzzard Pernis ptilorhynchus
Taichi Kato,
Chia-Te Chiu,
Die-Hua Tsai,
Elena Pavlenko,
Marina Kosareva,
Hironobu Itou,
Haruka Kono
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Ornithological Science
Vol. 22 • No. 1
January 2023
Vol. 22 • No. 1
January 2023
Pernis apivorus
Pernis ptilorhynchus
Rattling call
sound analysis
vocalization