Duration of ‘peeks’ in ducks: how much time do Common Pochards Aythya ferina spend with an eye open while in a sleeping posture?

Ivana Novčič, Sara Krunić, Daliborka Stanković, Mark E. Hauber

Research output: Contribution to journalArticlepeer-review

Abstract

‘Peeks’, or keeping an eye open, in wintering Common Pochard Aythya ferina, while in a sleeping posture, were relatively brief, typically (66% of observations) lasting less than one second. However, in 37% of individuals some peeks lasted 10 s or more. Contrary to our prediction of lower anti-predatory vigilance rates in larger groups, there was a positive relationship between peek duration and the numbers of neighbours in a flock.

Original languageEnglish (US)
Pages (from-to)256-260
Number of pages5
JournalBird Study
Volume67
Issue number2
DOIs
StatePublished - Apr 2 2020

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Nature and Landscape Conservation

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