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Multiple tests of the effect of nasal saddles on dabbling ducks: combining field and aviary approaches
Office National de la Chasse et de la Faune Sauvage, CNERA Avifaune Migratrice, La Tour du Valat, Le Sambuc, Arles.
Centre d'Etudes Biologiques de Chizé, CNRS, Beauvoir sur Niort.
Centre d'Etudes Biologiques de Chizé, CNRS, Beauvoir sur Niort.
Station Biologique de la Tour du Valat, Le Sambuc, Arles.
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2007 (English)In: Bird Study, ISSN 0006-3657, Vol. 54, no 1, 35-45 p.Article in journal (Refereed) Published
Abstract [en]

Capsule Nasal saddles have no negative consequences apart from, under some circumstances, a potential bias in social relationships. Aims To test the effect of nasal saddles on Teal Anas crecca, Wigeon A. penelope, Mallard A. platyrhynchos and Pintail A. acuta. Methods The following features were compared between saddled and unsaddled individuals: body mass change of wild Teal between ringing and first live recovery, pairing probability of wild Teal through the winter, wild Teal and Wigeon time-budgets, captive Mallard and Pintail body mass fluctuations, testosterone levels and dominance in the aviary. Results We generally found no significant difference between values for birds with nasal saddles and control birds. Exceptions were for pairing probability, which was lower for marked Teal during one of the winters, and the proportion of aggressive interactions won by Pintail, which decreased after they were fitted with saddles, while this did not happen in Mallard. Conclusions Nasal saddles are an appropriate general method for marking dabbling ducks. However, saddles may not be appropriate for the study of social relationships in some conditions.

Place, publisher, year, edition, pages
2007. Vol. 54, no 1, 35-45 p.
Keyword [en]
WHITE-THROATED SPARROWS, BLUE-WINGED TEAL, SOCIAL INERTIA, CAPTIVE, MALLARDS, FEMALE MALLARDS, DOMINANCE, MARKER, TESTOSTERONE, PINTAILS, WIGEON
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:hkr:diva-194ISI: 000244295500004ISBN: 0006-3657 OAI: oai:DiVA.org:hkr-194DiVA: diva2:173685
Available from: 2009-02-17 Created: 2009-02-11 Last updated: 2009-03-18Bibliographically approved

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Citation style
  • apa
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