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Diel diving behavior of breeding gentoo penguins on King George Island in Antarctica

Cited 1 time in scopus
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Title
Diel diving behavior of breeding gentoo penguins on King George Island in Antarctica
Other Titles
남극 킹조지섬에서 번식하는 젠투펭귄의 시간대별 잠수행동
Authors
Lee, Won Young
노부오고쿠분
Chung, Hosung
Kim, Jeong-Hoon
Jung, Jin-Woo
Keywords
Pygoscelis papua; bio-logging; divign behavior; foraging behavior; gentoo penguin
Issue Date
2015
Citation
Lee, Won Young, et al. 2015. "Diel diving behavior of breeding gentoo penguins on King George Island in Antarctica". ANIMAL CELLS AND SYSTEMS, 19(4): 274-281.
Abstract
Many marine birds dive to catch prey in water. The gentoo penguin (Pygoscelis papua), a specialized diving seabird that preys on krill and fish, is distributed from the sub-Antarctic islands to Antarctic regions. Here, we observed the diving behavior of breeding gentoo penguins on King George Island, South Shetland Islands, Antarctica. Using a time?depth recorder, we collected diving depths every second from seven gentoo breeders for 5?21 days during the chick-rearing period and analyzed their diving characteristics. Most dives occurred in shallow water, although the dive efficiency (=bottom duration time/[dive duration + post-dive surface time]) was highest at depths of 30?35 m and decreased as the penguins dove deeper. Gentoo penguins did not dive more frequently during the day than at night, but during nighttime, most dives occurred in shallow water (
URI
http://repository.kopri.re.kr/handle/201206/7363
DOI
http://dx.doi.org/10.1080/19768354.2015.1074107
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