Data from: Kin selection and allocare in sperm whales
Cooperative care and defense of young are hypothesized to be foundational to the societies of several species, including the sperm whale (Physeter macrocephalus). However, the extent of allocare among sperm whales and the mechanisms driving it have not been well-characterized. Sperm whale social uni...
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ftdryad:oai:v1.datadryad.org:10255/dryad.193264 2023-05-15T17:59:25+02:00 Data from: Kin selection and allocare in sperm whales Konrad, Christine M. Frasier, Timothy R. Whitehead, Hal Gero, Shane Eastern Caribbean Sea 2018-09-24T16:08:26Z http://hdl.handle.net/10255/dryad.193264 https://doi.org/10.5061/dryad.34j84c0 unknown doi:10.5061/dryad.34j84c0/1 doi:10.1093/beheco/ary143 doi:10.5061/dryad.34j84c0 Konrad CM, Frasier TR, Whitehead H, Gero S (2019) Kin selection and allocare in sperm whales. Behavioral Ecology 30(1): 194-201. http://hdl.handle.net/10255/dryad.193264 alloparental care allosuckling babysitting kinship sperm whale Article 2018 ftdryad https://doi.org/10.5061/dryad.34j84c0 https://doi.org/10.5061/dryad.34j84c0/1 https://doi.org/10.1093/beheco/ary143 2020-01-01T16:16:23Z Cooperative care and defense of young are hypothesized to be foundational to the societies of several species, including the sperm whale (Physeter macrocephalus). However, the extent of allocare among sperm whales and the mechanisms driving it have not been well-characterized. Sperm whale social units are matrilineally-based, making kin selection a likely key driver of allocare, but the relationship between kinship and calf care is essentially unknown. We investigate calf care in the context of kinship, by combining association and interaction data with genetic profiles for 16 calves from 7 eastern Caribbean social units. Mothers were the primary associate for 62.5% of calves, and the primary nurse for 87.5%, so behavioral observations are not always sufficient for assigning maternity. Babysitting and allonursing were frequent in some cases, particularly for calves less than a year old. Within social units, babysitting rates were correlated with relatedness (rs = 0.4, p < 0.05), and allonurses were, on average, closer maternal relatives of the calves they nursed than were available females who were not allonurses (Δr = 0.14, p = 0.054). Exceptions to the overall positive relationship between allocare and kinship suggest that additional factors influencing allocare among sperm whales may include reciprocity, group augmentation and gaining maternal experience. Article in Journal/Newspaper Physeter macrocephalus Sperm whale Dryad Digital Repository (Duke University) |
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Dryad Digital Repository (Duke University) |
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alloparental care allosuckling babysitting kinship sperm whale |
spellingShingle |
alloparental care allosuckling babysitting kinship sperm whale Konrad, Christine M. Frasier, Timothy R. Whitehead, Hal Gero, Shane Data from: Kin selection and allocare in sperm whales |
topic_facet |
alloparental care allosuckling babysitting kinship sperm whale |
description |
Cooperative care and defense of young are hypothesized to be foundational to the societies of several species, including the sperm whale (Physeter macrocephalus). However, the extent of allocare among sperm whales and the mechanisms driving it have not been well-characterized. Sperm whale social units are matrilineally-based, making kin selection a likely key driver of allocare, but the relationship between kinship and calf care is essentially unknown. We investigate calf care in the context of kinship, by combining association and interaction data with genetic profiles for 16 calves from 7 eastern Caribbean social units. Mothers were the primary associate for 62.5% of calves, and the primary nurse for 87.5%, so behavioral observations are not always sufficient for assigning maternity. Babysitting and allonursing were frequent in some cases, particularly for calves less than a year old. Within social units, babysitting rates were correlated with relatedness (rs = 0.4, p < 0.05), and allonurses were, on average, closer maternal relatives of the calves they nursed than were available females who were not allonurses (Δr = 0.14, p = 0.054). Exceptions to the overall positive relationship between allocare and kinship suggest that additional factors influencing allocare among sperm whales may include reciprocity, group augmentation and gaining maternal experience. |
format |
Article in Journal/Newspaper |
author |
Konrad, Christine M. Frasier, Timothy R. Whitehead, Hal Gero, Shane |
author_facet |
Konrad, Christine M. Frasier, Timothy R. Whitehead, Hal Gero, Shane |
author_sort |
Konrad, Christine M. |
title |
Data from: Kin selection and allocare in sperm whales |
title_short |
Data from: Kin selection and allocare in sperm whales |
title_full |
Data from: Kin selection and allocare in sperm whales |
title_fullStr |
Data from: Kin selection and allocare in sperm whales |
title_full_unstemmed |
Data from: Kin selection and allocare in sperm whales |
title_sort |
data from: kin selection and allocare in sperm whales |
publishDate |
2018 |
url |
http://hdl.handle.net/10255/dryad.193264 https://doi.org/10.5061/dryad.34j84c0 |
op_coverage |
Eastern Caribbean Sea |
genre |
Physeter macrocephalus Sperm whale |
genre_facet |
Physeter macrocephalus Sperm whale |
op_relation |
doi:10.5061/dryad.34j84c0/1 doi:10.1093/beheco/ary143 doi:10.5061/dryad.34j84c0 Konrad CM, Frasier TR, Whitehead H, Gero S (2019) Kin selection and allocare in sperm whales. Behavioral Ecology 30(1): 194-201. http://hdl.handle.net/10255/dryad.193264 |
op_doi |
https://doi.org/10.5061/dryad.34j84c0 https://doi.org/10.5061/dryad.34j84c0/1 https://doi.org/10.1093/beheco/ary143 |
_version_ |
1766168220897640448 |