Different tactics, one goal: initial reproductive investments of males and females in a small Arctic seabird
International audience Despite a great number of studies on extra-pair paternity in birds, the actual roles of males and females in extra-pair contacts is poorly understood, as detailed behavioural studies comparing the reproductive performance of the two sexes prior to egg laying are relatively sca...
Published in: | Behavioral Ecology and Sociobiology |
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Online Access: | https://hal.archives-ouvertes.fr/hal-01075746 https://doi.org/10.1007/s00265-014-1761-4 |
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ftunivnantes:oai:HAL:hal-01075746v1 2023-05-15T13:16:13+02:00 Different tactics, one goal: initial reproductive investments of males and females in a small Arctic seabird Wojczulanis-Jakubas, Katarzyna Jakubas, Dariusz Chastel, Olivier Department of Vertebrate Ecology and Zoology University of Gdańsk (UG) Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) 2014-07-04 https://hal.archives-ouvertes.fr/hal-01075746 https://doi.org/10.1007/s00265-014-1761-4 en eng HAL CCSD info:eu-repo/semantics/altIdentifier/doi/10.1007/s00265-014-1761-4 hal-01075746 https://hal.archives-ouvertes.fr/hal-01075746 doi:10.1007/s00265-014-1761-4 PUBMEDCENTRAL: PMC4133023 Behav Ecol Sociobiol https://hal.archives-ouvertes.fr/hal-01075746 Behav Ecol Sociobiol, 2014, 68, pp.1521-1530. ⟨10.1007/s00265-014-1761-4⟩ Alle alle Little auk (dovekie) Corticosterone Extra-pair copulations Pre-laying parental investments [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2014 ftunivnantes https://doi.org/10.1007/s00265-014-1761-4 2023-01-04T00:08:29Z International audience Despite a great number of studies on extra-pair paternity in birds, the actual roles of males and females in extra-pair contacts is poorly understood, as detailed behavioural studies comparing the reproductive performance of the two sexes prior to egg laying are relatively scarce. Here, we investigated mating behaviour (copulations and aggressive interactions), time budget and body condition (size-adjusted body mass and baseline corticosterone level) in the little auk (Alle alle), a monogamous and highly colonial, Arctic seabird. We performed the study in a large breeding colony of the little auk in Hornsund (Spitsbergen). We found that the males frequently attempted extra-pair copulations (EPCs), although these contacts were almost always unsuccessful, mostly because of the females’ rejection behaviour. These results clearly indicate that genetic monogamy is maintained through female control. Nevertheless, males tried to protect their paternity by staying in close proximity to their females and aggressively intervening when their mates became involved in EPCs. Compared to females, males also spent more time in the colony guarding nest sites. Despite the apparent sex differences in the time budget and frequency of aggressive interactions, body condition was similar in the two sexes, indicating comparable parental investments during the mating period. Article in Journal/Newspaper Alle alle Arctic Dovekie Hornsund little auk Spitsbergen Université de Nantes: HAL-UNIV-NANTES Arctic Hornsund ENVELOPE(15.865,15.865,76.979,76.979) Behavioral Ecology and Sociobiology 68 9 1521 1530 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
Alle alle Little auk (dovekie) Corticosterone Extra-pair copulations Pre-laying parental investments [SDE]Environmental Sciences |
spellingShingle |
Alle alle Little auk (dovekie) Corticosterone Extra-pair copulations Pre-laying parental investments [SDE]Environmental Sciences Wojczulanis-Jakubas, Katarzyna Jakubas, Dariusz Chastel, Olivier Different tactics, one goal: initial reproductive investments of males and females in a small Arctic seabird |
topic_facet |
Alle alle Little auk (dovekie) Corticosterone Extra-pair copulations Pre-laying parental investments [SDE]Environmental Sciences |
description |
International audience Despite a great number of studies on extra-pair paternity in birds, the actual roles of males and females in extra-pair contacts is poorly understood, as detailed behavioural studies comparing the reproductive performance of the two sexes prior to egg laying are relatively scarce. Here, we investigated mating behaviour (copulations and aggressive interactions), time budget and body condition (size-adjusted body mass and baseline corticosterone level) in the little auk (Alle alle), a monogamous and highly colonial, Arctic seabird. We performed the study in a large breeding colony of the little auk in Hornsund (Spitsbergen). We found that the males frequently attempted extra-pair copulations (EPCs), although these contacts were almost always unsuccessful, mostly because of the females’ rejection behaviour. These results clearly indicate that genetic monogamy is maintained through female control. Nevertheless, males tried to protect their paternity by staying in close proximity to their females and aggressively intervening when their mates became involved in EPCs. Compared to females, males also spent more time in the colony guarding nest sites. Despite the apparent sex differences in the time budget and frequency of aggressive interactions, body condition was similar in the two sexes, indicating comparable parental investments during the mating period. |
author2 |
Department of Vertebrate Ecology and Zoology University of Gdańsk (UG) Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) |
format |
Article in Journal/Newspaper |
author |
Wojczulanis-Jakubas, Katarzyna Jakubas, Dariusz Chastel, Olivier |
author_facet |
Wojczulanis-Jakubas, Katarzyna Jakubas, Dariusz Chastel, Olivier |
author_sort |
Wojczulanis-Jakubas, Katarzyna |
title |
Different tactics, one goal: initial reproductive investments of males and females in a small Arctic seabird |
title_short |
Different tactics, one goal: initial reproductive investments of males and females in a small Arctic seabird |
title_full |
Different tactics, one goal: initial reproductive investments of males and females in a small Arctic seabird |
title_fullStr |
Different tactics, one goal: initial reproductive investments of males and females in a small Arctic seabird |
title_full_unstemmed |
Different tactics, one goal: initial reproductive investments of males and females in a small Arctic seabird |
title_sort |
different tactics, one goal: initial reproductive investments of males and females in a small arctic seabird |
publisher |
HAL CCSD |
publishDate |
2014 |
url |
https://hal.archives-ouvertes.fr/hal-01075746 https://doi.org/10.1007/s00265-014-1761-4 |
long_lat |
ENVELOPE(15.865,15.865,76.979,76.979) |
geographic |
Arctic Hornsund |
geographic_facet |
Arctic Hornsund |
genre |
Alle alle Arctic Dovekie Hornsund little auk Spitsbergen |
genre_facet |
Alle alle Arctic Dovekie Hornsund little auk Spitsbergen |
op_source |
Behav Ecol Sociobiol https://hal.archives-ouvertes.fr/hal-01075746 Behav Ecol Sociobiol, 2014, 68, pp.1521-1530. ⟨10.1007/s00265-014-1761-4⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00265-014-1761-4 hal-01075746 https://hal.archives-ouvertes.fr/hal-01075746 doi:10.1007/s00265-014-1761-4 PUBMEDCENTRAL: PMC4133023 |
op_doi |
https://doi.org/10.1007/s00265-014-1761-4 |
container_title |
Behavioral Ecology and Sociobiology |
container_volume |
68 |
container_issue |
9 |
container_start_page |
1521 |
op_container_end_page |
1530 |
_version_ |
1766273086731059200 |