Comparison of Vocalisations of Australian Falcons and Elanine Kites

作者: Mark A. Jurisevic

DOI: 10.1071/MU98001

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摘要: Vocalisations were recorded from seven species of Australian raptors; five falcons: the Peregrine Falcon Falco peregrinus, Black F. subniger, Hobby longipennis, (Nankeen) Kestrel cenchroides and Brown berigora, two Elanus kites, Black-shouldered Kite E. notatus Letter-winged scriptus. Each produced structurally distinct vocalisations in different behavioural contexts. Calls generally harsh or harmonic, wide frequency range, with greatest acoustic energy between 1.1-6 kHz. All when disturbed physically restrained. The kites have very similar vocalisations, showing striking similarities structure their distress calls.

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