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Krill-feeding behaviour of gentoo penguins as shown by animal-borne camera loggers

Cited 23 time in scopus
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Title
Krill-feeding behaviour of gentoo penguins as shown by animal-borne camera loggers
Other Titles
젠투펭귄에 카메라 로거를 부착해서 관찰한 크릴의 먹이 섭취 행동
Authors
Takahashi A
Mori Y
Shin, Hyoung Chul
Kokubun N
Subject
Biodiversity & Conservation; Environmental Sciences & Ecology
Keywords
Antarctica; Pygoscelis papua; benthic diving; diving behaviour; foraging strategy
Issue Date
2008
Publisher
Springer
Citation
Takahashi A, et al. 2008. "Krill-feeding behaviour of gentoo penguins as shown by animal-borne camera loggers". POLAR BIOLOGY, 31(10): 1291-1294.
Abstract
Animal-borne camera loggers were used to examine the patterns of prey encounter and feeding behaviour of gentoo penguins at King George Island, Antarctica. The still images from the camera loggers showed that the penguins encountered the swarms of krill for 25.5% (range: 8?38%) of their dives (>5 m) on average, during their foraging trips (mean duration of 5.4 h, n = 7 trips). They encountered krill swarms during the dives to 10?70 m depth, in pelagic as well as benthic habitats. In the benthic habitat, the penguins swam just above the sea Xoor and headed downward over a krill swarm, probably using the sea floor to assist them to feed on mobile swarms. The shallow coastal waters would be the important foraging habitat of gentoo penguins breeding in King George Island.
URI
http://repository.kopri.re.kr/handle/201206/6141
DOI
http://dx.doi.org/10.1007/s00300-008-0502-4
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