Short underwater opening of beak following immersion in seven penguin species
Video camera recordings of seven species of penguin, Emperor (Aptenodytes forsteri), Humboldt (Spheniscus humboldti), Adelie (Pygoscelis adeliae), Chinstrap (P. antarctica), Gentoo (P. papua), Macaroni (Eudyptes chrysolophus) and Rockhopper (E. chrysocome) swimming in large aquaria revealed that bir...
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Format: | Article in Journal/Newspaper |
Language: | English |
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American Ornithological Society
2002
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Online Access: | https://oceanrep.geomar.de/id/eprint/4419/ https://oceanrep.geomar.de/id/eprint/4419/1/condor0444.pdf https://doi.org/10.1093/condor/104.2.444 |
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ftoceanrep:oai:oceanrep.geomar.de:4419 2024-09-15T17:47:38+00:00 Short underwater opening of beak following immersion in seven penguin species Ropert-Coudert, Y. Kato, A. Wilson, Rory P. Kurita, M. 2002 text https://oceanrep.geomar.de/id/eprint/4419/ https://oceanrep.geomar.de/id/eprint/4419/1/condor0444.pdf https://doi.org/10.1093/condor/104.2.444 en eng American Ornithological Society Oxford Academic https://oceanrep.geomar.de/id/eprint/4419/1/condor0444.pdf Ropert-Coudert, Y., Kato, A., Wilson, R. P. and Kurita, M. (2002) Short underwater opening of beak following immersion in seven penguin species. Condor, 104 (2). pp. 444-448. DOI 10.1093/condor/104.2.444 <https://doi.org/10.1093/condor%2F104.2.444>. doi:10.1093/condor/104.2.444 info:eu-repo/semantics/restrictedAccess Article PeerReviewed 2002 ftoceanrep https://doi.org/10.1093/condor/104.2.444 2024-09-04T05:04:40Z Video camera recordings of seven species of penguin, Emperor (Aptenodytes forsteri), Humboldt (Spheniscus humboldti), Adelie (Pygoscelis adeliae), Chinstrap (P. antarctica), Gentoo (P. papua), Macaroni (Eudyptes chrysolophus) and Rockhopper (E. chrysocome) swimming in large aquaria revealed that birds opened their beak underwater for less than a second immediately after initiating a dive. Overall, this beak-opening occurred in 64% of the immersions but, in all species, was associated with quick transitions between air and water, such as in porpoising or dives that were initiated rapidly. Two hypotheses are proposed to explain this behavior: beak-opening may be a signal that initiates bradycardia, such as is observed in unrestrained diving animals or beak-opening may be associated with chemoreception to help detect potential prey or predators. Article in Journal/Newspaper Antarc* Antarctica Aptenodytes forsteri Eudyptes chrysolophus Pygoscelis adeliae OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) The Condor 104 2 444 448 |
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Open Polar |
collection |
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
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ftoceanrep |
language |
English |
description |
Video camera recordings of seven species of penguin, Emperor (Aptenodytes forsteri), Humboldt (Spheniscus humboldti), Adelie (Pygoscelis adeliae), Chinstrap (P. antarctica), Gentoo (P. papua), Macaroni (Eudyptes chrysolophus) and Rockhopper (E. chrysocome) swimming in large aquaria revealed that birds opened their beak underwater for less than a second immediately after initiating a dive. Overall, this beak-opening occurred in 64% of the immersions but, in all species, was associated with quick transitions between air and water, such as in porpoising or dives that were initiated rapidly. Two hypotheses are proposed to explain this behavior: beak-opening may be a signal that initiates bradycardia, such as is observed in unrestrained diving animals or beak-opening may be associated with chemoreception to help detect potential prey or predators. |
format |
Article in Journal/Newspaper |
author |
Ropert-Coudert, Y. Kato, A. Wilson, Rory P. Kurita, M. |
spellingShingle |
Ropert-Coudert, Y. Kato, A. Wilson, Rory P. Kurita, M. Short underwater opening of beak following immersion in seven penguin species |
author_facet |
Ropert-Coudert, Y. Kato, A. Wilson, Rory P. Kurita, M. |
author_sort |
Ropert-Coudert, Y. |
title |
Short underwater opening of beak following immersion in seven penguin species |
title_short |
Short underwater opening of beak following immersion in seven penguin species |
title_full |
Short underwater opening of beak following immersion in seven penguin species |
title_fullStr |
Short underwater opening of beak following immersion in seven penguin species |
title_full_unstemmed |
Short underwater opening of beak following immersion in seven penguin species |
title_sort |
short underwater opening of beak following immersion in seven penguin species |
publisher |
American Ornithological Society |
publishDate |
2002 |
url |
https://oceanrep.geomar.de/id/eprint/4419/ https://oceanrep.geomar.de/id/eprint/4419/1/condor0444.pdf https://doi.org/10.1093/condor/104.2.444 |
genre |
Antarc* Antarctica Aptenodytes forsteri Eudyptes chrysolophus Pygoscelis adeliae |
genre_facet |
Antarc* Antarctica Aptenodytes forsteri Eudyptes chrysolophus Pygoscelis adeliae |
op_relation |
https://oceanrep.geomar.de/id/eprint/4419/1/condor0444.pdf Ropert-Coudert, Y., Kato, A., Wilson, R. P. and Kurita, M. (2002) Short underwater opening of beak following immersion in seven penguin species. Condor, 104 (2). pp. 444-448. DOI 10.1093/condor/104.2.444 <https://doi.org/10.1093/condor%2F104.2.444>. doi:10.1093/condor/104.2.444 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1093/condor/104.2.444 |
container_title |
The Condor |
container_volume |
104 |
container_issue |
2 |
container_start_page |
444 |
op_container_end_page |
448 |
_version_ |
1810497093208375296 |