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Risky foraging leads to cost-free mate guarding in male teal Anas crecca
Office National de la Chasse et de la Faune Sauvage, CNERA Avifaune Migratrice , La Tour du Valat, Le Sambuc, Arles.
Kristianstad University, Department of Mathematics and Science.
Centre d’Etudes Biologiques de Chizé, CNRS UPR 1934, Beauvoir sur Niort.
Kristianstad University, Department of Mathematics and Science. (Akvatisk biologi och kemi)
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2007 (English)In: Journal of Ornithology = Journal fur Ornithologie, ISSN 0021-8375, E-ISSN 1439-0361, Vol. 148, no 2, 251-254 p.Article in journal (Refereed) Published
Abstract [en]

Mate guarding by males is common in species with long-lasting pair bonds. We tested if the need to guard females affected foraging depth in male teal (Anas crecca), and if they were more vigilant than females when foraging with submerged eyes (preventing monitoring of competing males and predators). These predictions were not supported, suggesting that foraging depth selection is primarily driven by other factors, presumably food related. A likely reason why deeply foraging males did not increase vigilance is that 37.5% of the foraging time was already dedicated to it. The apparent lack of guarding costs in foraging male teal may explain why such small ducks can maintain pair bonds for up to 7 months.

Place, publisher, year, edition, pages
2007. Vol. 148, no 2, 251-254 p.
Keyword [en]
Circumannual, foraging behaviour, mate guarding, teal, vigilance
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hkr:diva-195DOI: 10.1007/s10336-006-0120-2ISI: 000245359800014ISBN: 0021-8375 (print)OAI: oai:DiVA.org:hkr-195DiVA: diva2:173805
Available from: 2009-02-17 Created: 2009-02-11 Last updated: 2014-08-01Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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