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Author |
Lara D. Shepherd, Colin M. Miskelly, Yves Cherel, Alan J. D. Tennyson |
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Title |
Genetic identification informs on the distributions of vagrant Royal (Eudyptes schlegeli) and Macaroni (Eudyptes chrysolophus) Penguins |
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Journal |
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Year |
2021 |
Publication |
Polar Biology |
Abbreviated Journal |
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Volume |
44 |
Issue |
12 |
Pages |
2299-2306 |
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Keywords |
Antarctica Eudyptes chrysolophus Eudyptes schlegeli Genetic identification Penguin distribution Predation |
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Programme |
109 |
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ISSN  |
1432-2056 |
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Approved |
yes |
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Serial |
8365 |
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Author |
G. J. Sutton, C. A. Bost, A. Z. Kouzani, S. D. Adams, K. Mitchell, J. P. Y. Arnould |
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Title |
Fine-scale foraging effort and efficiency of Macaroni penguins is influenced by prey type, patch density and temporal dynamics |
Type |
Journal |
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Year |
2021 |
Publication |
Marine Biology |
Abbreviated Journal |
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Volume |
168 |
Issue |
1 |
Pages |
3 |
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Keywords |
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Abstract |
Difficulties quantifying in situ prey patch quality have limited our understanding of how marine predators respond to variation within and between patches, and throughout their foraging range. In the present study, animal-borne video, GPS, accelerometer and dive behaviour data loggers were used to investigate the fine-scale foraging behaviour of Macaroni penguins (Eudyptes chrysolophus) in response to prey type, patch density and temporal variation in diving behaviour. Individuals mainly dived during the day and utilised two strategies, targeting different prey types. Subantarctic krill (Euphausia vallentini) were consumed during deep dives, while small soft-bodied fish were captured on shallow dives or during the ascent phase of deep dives. Despite breeding in large colonies individuals seemed to be solitary foragers and did not engage with conspecifics in coordinated behaviour as seen in other group foraging penguin species. This potentially reflects the high abundance and low manoeuvrability of krill. Video data were used to validate prey capture signals in accelerometer data and a Support Vector Machine learning algorithm was developed to identify prey captures that occurred throughout the entire foraging trip. Prey capture rates indicated that Macaroni penguins continued to forage beyond the optimal give up time. However, bout-scale analysis revealed individuals terminated diving behaviour for reasons other than patch quality. These findings indicate that individuals make complex foraging decisions in relation to their proximate environment over multiple spatio-temporal scales. |
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394 |
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ISSN |
1432-1793 |
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Approved |
yes |
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Call Number |
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Serial |
2037 |
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Title |
Factors affecting adult body condition in the endangered northern rockhopper penguin |
Type |
Journal |
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Year |
2021 |
Publication |
Marine Biology |
Abbreviated Journal |
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Volume |
168 |
Issue |
3 |
Pages |
27 |
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Abstract |
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Programme |
109,394 |
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Thesis |
Bachelor's thesis |
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ISSN |
1432-1793 |
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Approved |
yes |
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Call Number |
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Serial |
7792 |
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Author |
Richard D. Ray, Bryant D. Loomis, Victor Zlotnicki |
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Title |
The mean seasonal cycle in relative sea level from satellite altimetry and gravimetry |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Geodesy |
Abbreviated Journal |
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Volume |
95 |
Issue |
7 |
Pages |
80 |
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Keywords |
Annual geocenter motion Annual land motion Annual/semiannual cycle Satellite altimetry |
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Abstract |
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Programme |
688 |
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Series Issue |
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Edition |
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ISSN |
1432-1394 |
ISBN |
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Approved |
yes |
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Call Number |
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Serial |
8610 |
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Title |
Call rate, fundamental frequency, and syntax determine male-call attractiveness in blue petrels Halobaena caerulea |
Type |
Journal |
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Year |
2021 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
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Volume |
75 |
Issue |
3 |
Pages |
55 |
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Abstract |
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Programme |
354 |
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Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1432-0762 |
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Approved |
yes |
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Call Number |
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Serial |
7055 |
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Author |
Yushiro Fujii, Kenji Satake, Shingo Watada, Tung-Cheng Ho |
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Title |
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Type |
Journal |
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Year |
2021 |
Publication |
Pure and Applied Geophysics |
Abbreviated Journal |
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Volume |
178 |
Issue |
12 |
Pages |
4777-4796 |
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Keywords |
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Abstract |
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Programme |
688 |
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ISSN |
1420-9136 |
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Approved |
yes |
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Call Number |
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Serial |
8411 |
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Title |
The story of endurance: Biogeography and the evolutionary history of four Holarctic butterflies with different habitat requirements |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Biogeography |
Abbreviated Journal |
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Volume |
48 |
Issue |
3 |
Pages |
590-602 |
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Keywords |
COI Ef-1? insect Lepidoptera mammoth steppe Pleistocene Quaternary RpS5 species distribution modelling |
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Abstract |
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Programme |
1036 |
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Series Issue |
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Edition |
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ISSN |
1365-2699 |
ISBN |
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Expedition |
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Approved |
yes |
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Call Number |
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Serial |
7984 |
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Author |
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Title |
Individual migration strategy fidelity but no habitat specialization in two congeneric seabirds |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Biogeography |
Abbreviated Journal |
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Volume |
48 |
Issue |
2 |
Pages |
263-275 |
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Keywords |
guillemots light-level geolocation murres Uria aalge Uria lomvia |
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Abstract |
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Programme |
388 |
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ISSN |
1365-2699 |
ISBN |
1365-2699 |
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Approved |
yes |
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Call Number |
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Serial |
8025 |
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Author |
John P. Whiteman, Seth D. Newsome, Paco Bustamante, Yves Cherel, Keith A. Hobson |
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Title |
Quantifying capital versus income breeding: New promise with stable isotope measurements of individual amino acids |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Animal Ecology |
Abbreviated Journal |
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Volume |
90 |
Issue |
6 |
Pages |
1408-1418 |
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Keywords |
carbon-13 compound-specific isotope analysis CSIA discrimination fasting fractionation nitrogen-15 |
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Abstract |
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Programme |
109 |
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ISSN |
1365-2656 |
ISBN |
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Approved |
yes |
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Call Number |
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Serial |
7945 |
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Author |
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Title |
Spatial segregation in a sexually dimorphic central place forager: Competitive exclusion or niche divergence? |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Animal Ecology |
Abbreviated Journal |
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Volume |
90 |
Issue |
10 |
Pages |
2404-2420 |
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Keywords |
bio-logging central place foraging ecological niche theory intraspecific competition kernel density estimates resource selection functions sexual segregation wandering albatross |
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Abstract |
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Programme |
109,394 |
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Campaign |
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Address |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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Series Editor |
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Series Issue |
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Edition |
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ISSN |
1365-2656 |
ISBN |
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Medium |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
8093 |
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| Permanent link to this record |
