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At-sea associations in foraging little penguins

Berlincourt,M and Arnould,JP 2014, At-sea associations in foraging little penguins, PLoS one, vol. 9, no. 8, pp. 1-6, doi: 10.1371/journal.pone.0105065.

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Title At-sea associations in foraging little penguins
Author(s) Berlincourt,M
Arnould,JPORCID iD for Arnould,JP orcid.org/0000-0003-1124-9330
Journal name PLoS one
Volume number 9
Issue number 8
Start page 1
End page 6
Publisher Public Library of Science
Place of publication San Francisco, CA
Publication date 2014-08-13
ISSN 1932-6203
Keyword(s) Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
EUDYPTULA-MINOR
DIVING BEHAVIOR
ADELIE PENGUINS
BASS STRAIT
GROUP-SIZE
PREDATION
RISK
Summary Prey distribution, patch size, and the presence of conspecifics are important factors influencing a predator's feeding tactics, including the decision to feed individually or socially. Little is known about group behaviour in seabirds as they spend most of their lives in the marine environment where it is difficult to observe their foraging activities. In this study, we report on at-sea foraging associations of little penguins (Eudyptula minor) during the breeding season. Individuals could be categorised as (1) not associating; (2) associating when departing from and/or returning to the colony; or (3) at sea when travelling, diving or performing synchronised dives. Out of 84 separate foraging tracks, 58 (69.0%) involved associations with conspecifics. Furthermore, in a total of 39 (46.4%), individuals were found to dive during association and in 32 (38.1%), individuals were found to exhibit synchronous diving. These behaviours suggest little penguins forage in groups, could synchronise their underwater movements and potentially cooperate to concentrate their small schooling prey.
Language eng
DOI 10.1371/journal.pone.0105065
Field of Research 060201 Behavioural Ecology
060205 Marine and Estuarine Ecology (incl Marine Ichthyology)
060801 Animal Behaviour
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, PLoS
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070318

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.