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Master Thesis

Interactions sociales et thermorégulation chez les poussins de chouette effraie

Abstract : A great variety of social behaviour can be seen among Barn owl nestlings. These behaviours vary from simple physical interactions such as fights or social grouping, to social interaction needing higher cognitive abilities such as negotiation for food items or preening. For this study, we investigated whether the chicks adjusted their behaviour depending on individual factors, such as age, coloration, or rank among the other nestlings. This study shows that older individuals and those paired with active nestlings were more active. As well younger mother produce more active nestlings. This suggests that grouping behaviour could be a response to thermoregulation needs which differ according to the age and eumelanic coloration of the chick. A darker eumelanic coloration displayed by the biological father as well as a lighter pheomelanic coloration of the foster father diminishes the time nestlings spend together.
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Master Thesis
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Submitted on : Tuesday, March 25, 2014 - 9:16:21 AM
Last modification on : Wednesday, April 6, 2022 - 4:08:07 PM
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  • HAL Id : dumas-00965301, version 1



Nicolas Villain. Interactions sociales et thermorégulation chez les poussins de chouette effraie. Sciences agricoles. 2013. ⟨dumas-00965301⟩



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