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Viblanc VA |
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Social energetics and social stress : on the costs and benefits of group living. UMR 5174 Laboratoire Evolution et Diversité Biologique. Université Paul Sabatier, Toulouse, séminaire sur invitation. |
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2016 |
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6880 |
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Viblanc VA |
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Careers in penguin science : academia and research. International Penguin Early Career Scientists Workshop. Cape Town, South Africa, séminaire sur invitation |
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Communication |
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2015 |
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yes |
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6881 |
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Viblanc V.A., Stier A., Reichert S., E., Handrich Y. Massemin S., Criscuolo F., Bize P. et Robin J-P. |
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Reproduction in the king penguin: constraints imposed by colonial breeding and a long chick raising period. XXVI th International Ornithological Congress, Tokyo (Japon) |
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Conference - International - Communication |
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2014 |
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5674 |
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Viblanc V.A., Schull Q.; Stier A., Durand L., Lefol E., Robin J.-P., Zahn S., Bize P., Criscuolo F |
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Title |
Foster rather than biological parental telomere length predicts offspring survival and telomere length in king penguins |
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Peer-reviewed symposium |
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2020 |
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16émes journées scientifiques du cnfra, 22-23 septembre 2020, la rochelle, france |
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Because Telomere Length (Tl) And Dynamics Relate To Growth, Reproductive Investment And Survival, Telomeres Might Be Markers Of Individual Quality. In The King Penguin, We Tested The Hypothesis That Parental Tl Can Be A Marker Of Parental Quality. We Swapped The Egg Of Breeding Pairs To Disentangle The Contribution Of Pre And/or Post -Laying Parental Quality On Chick’s Growth, Tl And Survival. Parental Quality Was Estimated Through The Effects Of Biological And Foster Parent Tl On Offspring Traits, 10 Or 105 Days After Hatching. We Show That Chick Survival Up To 10 Days Was Negatively Related To Biological Fathers’ Tl Whereas Survival Up To 105 Days Was Positively Related To Foster Fathers’ Tl. Chick Growth Was Not Related To Parents’ Tl. Chick Tl Was Positively Related To Foster Mothers’ Tl At Both 10 And 105 Days. Overall, We Show That, In A Species With Bi-parental Care, Parents’ Tl Is Foremost A Proxy Of Parental Care Quality, Supporting The Telomere &Ndash; Parental Quality Hypothesis. |
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8048 |
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Viblanc V., Valette V., Saraux C., Malosse N., Kauffmann M. & Groscolas R. |
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Aggressiveness and social stress in a colonial seabird: is there an energy cost to group-living? Colloque SFECA. Tours (France), 17 – 19 mai |
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Conference - National - Communication |
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2011 |
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119 |
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yes |
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3594 |
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Viblanc V., Smith A., Valette V., Saraux C., Malosse N., Kauffmann M., Gineste B. & Groscolas R. |
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Title |
Sociality, colony density and stress: effects of social context and breeding status on the behaviour and physiology of fasting penguins. 7th Congrès “Ecology & Behavior“. Rennes (France), 2-6 mai 2011 |
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Conference - International - Communication |
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2011 |
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yes |
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3595 |
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Viblanc V. A., Schull Q., Stier A., Durand L., Lefol E., Robin J. P., Zahn S., Bize P., F. Criscuolo |
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Title |
Effets génétiques et environnementaux des télomères parentaux sur l'établissement du phénotype juvénile chez le manchot royal (Aptenodytes patagonicus) |
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Conference - National - Communication |
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2019 |
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4ème Colloque d’Ecophysiologie Animale (CEPA IV), Rennes (France), 28-30 Octobre. Oral. Actes du colloque |
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119 |
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Bachelor's thesis |
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7558 |
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Viblanc V. A., Saraux C., Smith A. D., Gineste B., Robin J. P. et R. Groscolas |
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Quantifying seabird disturbance in the wild: physiological and behavioral measures in breeding king penguin. 2th World Seabird Conference. Cape Town (Afrique du Sud), 26-30 Octobre. |
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Conference - International - Communication |
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2015 |
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119 |
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6366 |
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Viblanc V. A., Dobson F. S., Stier A., Schull Q., Saraux C., Gineste B., Pardonnet S., Kauffmann M., Robin J-P. et P. Bize |
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Title |
Mutually honest? Physiological ‘Qualities’ signalled by colour ornaments in monomorphic king penguins. |
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Journal Article |
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2016 |
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BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY |
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Biol. J. Linn. Soc. Lond. |
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118 |
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200-214 |
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119 |
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0024-4066 |
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6434 |
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Viblanc V. A., A. Stier, F. Criscuolo, L. Bovet, L. Cattin, S. Pardonnet, B. Gineste, Y. Handrich, M. Kauffmann, S. Massemin, T. Raclot, J-P. Robin, F. S. Dobson and P. Bize. |
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Are both sexes 'sexy'? Individual quality in monomorphic king penguins. VIIIth International Penguin Conference, 2-6 September, Bristol, United Kingdom. |
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Conference - National - Communication |
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2013 |
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King penguins (Aptenodytes patagonicus) are amongst the most colourful of penguin species. They display bright yellow to orange auricular feather patches, a yellow to rusty-brown breast feather patch, and yellow to orange bill spots, which are known to also reflect UV. Why both sexes have evolved to mutually share such extravagant plumage features, however, is a puzzling question that mostly remains an important unexplained pattern of evolutionary biology. Growing consensus is that in such species; where both parents are dependent on each other and required to cooperate to successfully raise their offspring, selection should favour mutual mate choice for high quality partners. However, because males and females often have differing physiological constraints, it is unclear what proximate physiological pathways guarantee the honesty of male and female ornaments and whether similar ornaments convey similar (or different) information on quality in both sexes. Here, we investigated the relationships between colour ornaments and various physiological and behaviour proxies of individual quality. Specifically, we searched for links between penguin’s body condition, parasite loads, oxidative status, stress status, metabolic rate, behaviour and ornamental features. Our results suggest complex multi-modal and sex-specific signalling of certain, but not all, of those different features. Such signalling may be used to assess sex-specific qualities determinant to mate choice. |
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4579 |
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