10.5061/dryad.1bm5t
The Black Guillemot (Cepphus grylle) is a monomorphic, socially monogamous member of the Alcidae. Although aspects of their breeding and foraging ecology have been extensively studied, less is known about possible sex-based differences in morphology, nor whether Black Guillemots mate assortatively b...
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Online Access: | https://doi.org/10.5061/dryad.1bm5t |
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fttriple:oai:gotriple.eu:50|dedup_wf_001::44a8b5a49fd4d085140e04625f12abec 2023-05-15T15:06:31+02:00 10.5061/dryad.1bm5t Berzins, Lisha L. Gilchrist, H. Grant Burness, Gary 2019-07-15 https://doi.org/10.5061/dryad.1bm5t undefined unknown Europe PMC https://dx.doi.org/10.5061/dryad.1bm5t http://dx.doi.org/10.5061/dryad.1bm5t lic_creative-commons 10.5061/dryad.1bm5t oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:89601 oai:easy.dans.knaw.nl:easy-dataset:89601 10|opendoar____::8b6dd7db9af49e67306feb59a8bdc52c re3data_____::r3d100000044 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 Cepphus grylle Discriminant function analysis Black guillemot East Bay Island Southampton Island Nunavut 64°01’N 81°47’W Life sciences medicine and health care lang anthro-se Dataset https://vocabularies.coar-repositories.org/resource_types/c_ddb1/ 2019 fttriple https://doi.org/10.5061/dryad.1bm5t 2023-01-22T16:53:26Z The Black Guillemot (Cepphus grylle) is a monomorphic, socially monogamous member of the Alcidae. Although aspects of their breeding and foraging ecology have been extensively studied, less is known about possible sex-based differences in morphology, nor whether Black Guillemots mate assortatively based on body size. Using molecular techniques, we identified the sex of 26 male and 21 female Black Guillemots captured in the Canadian Arctic, and measured six external body measurements: outer tarsus length, wing length, culmen length, bill depth, head plus bill length and body mass to test for sexual size dimorphism (SSD) and assortative mating. Overall, males were 1.7% and 8% larger than females in outer tarsus length and bill depth, respectively. Within breeding pairs, bill depth was the most dimorphic trait. Despite these morphological differences no evidence of assortative mating based upon body size was found. Thus, mate choice for body size does not appear to be an underlying mechanism of SSD in bill depth in Black Guillemots. Black guillemot discriminant function analysisThis is the data file used for the discriminant function analysis. Dataset Arctic Black guillemot Cepphus grylle Nunavut Southampton Island Unknown Arctic Nunavut Southampton Island ENVELOPE(-84.501,-84.501,64.463,64.463) East Bay ENVELOPE(-36.426,-36.426,-54.288,-54.288) |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
unknown |
topic |
Cepphus grylle Discriminant function analysis Black guillemot East Bay Island Southampton Island Nunavut 64°01’N 81°47’W Life sciences medicine and health care lang anthro-se |
spellingShingle |
Cepphus grylle Discriminant function analysis Black guillemot East Bay Island Southampton Island Nunavut 64°01’N 81°47’W Life sciences medicine and health care lang anthro-se Berzins, Lisha L. Gilchrist, H. Grant Burness, Gary 10.5061/dryad.1bm5t |
topic_facet |
Cepphus grylle Discriminant function analysis Black guillemot East Bay Island Southampton Island Nunavut 64°01’N 81°47’W Life sciences medicine and health care lang anthro-se |
description |
The Black Guillemot (Cepphus grylle) is a monomorphic, socially monogamous member of the Alcidae. Although aspects of their breeding and foraging ecology have been extensively studied, less is known about possible sex-based differences in morphology, nor whether Black Guillemots mate assortatively based on body size. Using molecular techniques, we identified the sex of 26 male and 21 female Black Guillemots captured in the Canadian Arctic, and measured six external body measurements: outer tarsus length, wing length, culmen length, bill depth, head plus bill length and body mass to test for sexual size dimorphism (SSD) and assortative mating. Overall, males were 1.7% and 8% larger than females in outer tarsus length and bill depth, respectively. Within breeding pairs, bill depth was the most dimorphic trait. Despite these morphological differences no evidence of assortative mating based upon body size was found. Thus, mate choice for body size does not appear to be an underlying mechanism of SSD in bill depth in Black Guillemots. Black guillemot discriminant function analysisThis is the data file used for the discriminant function analysis. |
format |
Dataset |
author |
Berzins, Lisha L. Gilchrist, H. Grant Burness, Gary |
author_facet |
Berzins, Lisha L. Gilchrist, H. Grant Burness, Gary |
author_sort |
Berzins, Lisha L. |
title |
10.5061/dryad.1bm5t |
title_short |
10.5061/dryad.1bm5t |
title_full |
10.5061/dryad.1bm5t |
title_fullStr |
10.5061/dryad.1bm5t |
title_full_unstemmed |
10.5061/dryad.1bm5t |
title_sort |
10.5061/dryad.1bm5t |
publisher |
Europe PMC |
publishDate |
2019 |
url |
https://doi.org/10.5061/dryad.1bm5t |
long_lat |
ENVELOPE(-84.501,-84.501,64.463,64.463) ENVELOPE(-36.426,-36.426,-54.288,-54.288) |
geographic |
Arctic Nunavut Southampton Island East Bay |
geographic_facet |
Arctic Nunavut Southampton Island East Bay |
genre |
Arctic Black guillemot Cepphus grylle Nunavut Southampton Island |
genre_facet |
Arctic Black guillemot Cepphus grylle Nunavut Southampton Island |
op_source |
10.5061/dryad.1bm5t oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:89601 oai:easy.dans.knaw.nl:easy-dataset:89601 10|opendoar____::8b6dd7db9af49e67306feb59a8bdc52c re3data_____::r3d100000044 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 |
op_relation |
https://dx.doi.org/10.5061/dryad.1bm5t http://dx.doi.org/10.5061/dryad.1bm5t |
op_rights |
lic_creative-commons |
op_doi |
https://doi.org/10.5061/dryad.1bm5t |
_version_ |
1766338113513193472 |