Foraging behaviour of little penguins Eudyptula minor in an artificially modified environment
Open accessAbstract
We investigated the 3-dimensional foraging behaviour of little penguins Eudyptula minor breeding on an artificially constructed breakwater near dredged shipping channels in Port Phillip Bay, southern Australia.Breeding penguins were fitted with either satellite trackers or timedepth recorders during the 2006-2007 breeding season to record foraging locations and diving behaviour, which were then compared with local bathymetry.Diving appeared to be both mid-water and demersal, and on 1 d trips penguins reached a mean maximum distance from the colony of 13.8 km.Penguins were recorded in locations containing artificially constructed shipping channels, and examination of their diving profiles suggests that they probably forage within these channels.Little penguins at this urban colony have benefited from anthropogenic alterations in the terrestrial environment, but their location exposes them to many potential anthropogenic threats in their marine environment, including a large-scale dredging operation to deepen the existing shipping channels.
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Little penguins have very good vision as they are visual predators that rely on vision to find and catch prey underwater.
“Little penguins, like all penguin species, have very good vision as they are visual predators that rely on their vision to find and catch prey underwater [18,53].”
From Effect of Covering a Visitor Viewing Area Window on the Behaviour of Zoo-Housed Little Penguins (Eudyptula minor) (2020) · cites this paper as [53]
The Discussion (page not provided) says penguins locate prey by its silhouette and suggests that little penguins at St Kilda do likewise, supporting a role for vision in underwater foraging. It does not assess little penguins’ visual ability or establish that they have “very good vision.” (LLM, conf=0.84)
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Faul, F., Erdfelder, E., Lang, A.-G., & Buchner, A. (2007) · Behavior Research Methods · doi:10.3758/bf03193146 · Cited by 65,971 · see citing works
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Research works printed but not linked: 2
- Stevenson C, Woehler EJ (in press) Population decreases in little penguins Eudyptula minor in southeastern Tasmania, Australia, over the past 45 years. Mar Ornithol
- Wilber D, Clarke D (2001) Biological effects of suspended sed- iments: a review of suspended sediment impacts on fish and shellfish with relation to dredging activities in estuar- ies. N Am J Fish Manag 21:855-875
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Chiew, S. J., Butler, K. L., Sherwen, S. L., Coleman, G. J., Melfi, V., Burns, A., & Hemsworth, P. H. (2020) · Animals · doi:10.3390/ani10071224 · Cited by 28 · see citing works
- Authors
- Preston, T., Ropert-Coudert, Y., Kato, A., Chiaradia, A., Kirkwood, R., Dann, P., & Reina, R.
- Affiliations
- Monash University (AU)
- National Institute of Polar Research (JP)
- Phillip Island Nature Parks (AU)
- Venue
- Endangered Species Research
- Publisher
- Inter-Research Science Center
- Published
- 2008-01-18
- Volume
- 4
- Pages
- 95-103
- ISSN
- 1613-4796 (ISSN-L)
- 1863-5407
- OpenAlex
- W2116968715
- Cited by
- 30
- References
- 1
- Citations by year
- 2026: 1 · 2025: 1 · 2022: 2 · 2020: 3 · 2019: 1 · 2018: 4 · 2017: 1 · 2016: 2 · 2015: 5 · 2014: 1 · 2013: 2
- FWCI
- 1.45
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Endangered Species Research (publishedVersion)
- HAL (submittedVersion)
- Funders
- Port of Melbourne Corporation
- Topics
- Physical Sciences › Environmental Science › Ecology › Marine animal studies overview
- Physical Sciences › Environmental Science › Ecology › Avian ecology and behavior
- Physical Sciences › Environmental Science › Global and Planetary Change › Marine and fisheries research
- Keywords
- little penguin, Eudyptula minor, foraging behavior, diving behavior, breakwaters, Port Phillip Bay, bathymetry, anthropogenic habitat modification, satellite tracking, dredging impacts
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