NDLI: Diving capabilities of diving petrels

Content Provider	Springer Nature Link
Author	Navarro, Joan Votier, Stephen C. Phillips, Richard A.
Copyright Year	2014
Abstract	In striking contrast to the general increase in diving ability with body mass in seabirds, amongst the Procellariiformes, the deepest dives appear to be by the smallest species. Here, we use recently developed, miniaturized time depth recorders to provide the first accurate measurement of dive depth and duration in two small Procellariiformes: Common (Pelecanoides urinatrix) and South Georgian diving petrel (P. georgicus), and compare their diving performance in relation to body mass with that of 58 seabirds from four orders. The 20 common and six South Georgia diving petrels in our study dived to considerable depths and for long periods (respective mean ± SD of 10.5 ± 4.6 and 18.1 ± 3.6 m, and 36.4 ± 9.1 and 44.2 ± 5.9 s). In relation to body mass, these dives are closely comparable to those of small alcids, which are considered to be diving specialists, and much greater than in closely related petrels. Previous work has shown that diving petrels and small alcids share a number of convergent morphological traits; our data reveal these are manifested in terms of diving ability.
Starting Page	897
Ending Page	901
Page Count	5
File Format	PDF
ISSN	07224060
Journal	Polar Biology
Volume Number	37
Issue Number	6
e-ISSN	14322056
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-03-19
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Alcids Convergent evolution Diving capability Diving-seabirds Polar ecosystems Dive depth Dive duration Ecology Oceanography Microbiology Plant Sciences Zoology
Content Type	Text
Resource Type	Article
Subject	Agricultural and Biological Sciences

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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