Vocalisations Of Procellaria Petrels.pdf

Notornis_35_3-1988-pp169-183.pdf
Preview of Vocalisations of Procellaria petrels
🔗 Source: birdsnz.org.nz
📊 Size: 555 KB
📄 Pages: 15 pages
⬇️ Downloads: 123

Summary

The vocal repertoires of Grey, White-chinned, Parkinson's, and Westland Petrels are compared using sonagrams, revealing loud calls built from short notes, often given at high rates to produce rattles, cackles, and brays, which advertise the bird's availability as a partner and/or possession of a territory, with some calls also serving as threats. The Grey Petrel has the smallest recorded repertoire, while the Westland Petrel has the most extensive, with indications of sexual differences in calls, but requiring experimental verification.

Description

The vocal repertoires of Grey, White-chinned, Parkinson's, and Westland Petrels are compared using sonagrams, revealing loud calls built from short notes,...

Technical Information

  • File Format: PDF
  • File Size: 555 KB
  • Pages: 15
  • Language: EN
  • Total Downloads: 123
  • Last Updated: 7 days ago

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