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• W2968754702 abstract "MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsTheme Sections MEPS 627:141-154 (2019) - DOI: https://doi.org/10.3354/meps13095 Variability in at-sea foraging behaviour of little penguins Eudyptula minor in response to finescale environmental features Lachlan R. Phillips1,*, Mark Hindell1, Alistair J. Hobday2, Mary-Anne Lea1 1Ecology and Biodiversity Centre, Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania 7004, Australia 2CSIRO Oceans and Atmosphere, Hobart, Tasmania 7000, Australia *Corresponding author: lachlan.phillips.00@gmail.com ABSTRACT: A long-standing question in ecology is how predators interact with their environment when locating patchily distributed prey. There is some evidence to suggest that marine predators use environmental features as foraging cues at meso-scales (100-1000 km); however, the role of environmental structure at finer scales (1-100 km) is less well understood. To investigate how marine predators respond to fine-scale environmental variability, the movement patterns of 29 GPS-tagged little penguins Eudyptula minor from 3 colonies in the highly variable Storm Bay ecosystem in south-eastern Tasmania, Australia, were analysed using hidden Markov behavioural state modelling alongside high-resolution environmental data. Variability in at-sea behavioural states was observed between colonies correlating with differences in fine-scale environmental parameters. There were significant differences in trip metrics and time spent in each of the identified behavioural states between each of the study colonies. Additionally, transitions between behavioural states were associated with different environmental parameters at each site. This variability in foraging behaviour for conspecifics at similar temporal scales illustrates the significance of fine-scale environmental variability in determining at-sea predator behaviour and highlights how even subtle differences in fine-scale environmental parameters can lead to alternative foraging strategies. This flexibility suggests a capacity to behaviourally adapt to variable and changing environmental conditions, a necessary condition for persistence in a changing world. KEY WORDS: Behavioural plasticity · Environmental variability · Ecological patterns · Ecological processes · Ecological modelling · Ecology Full text in pdf format PreviousNextCite this article as: Phillips LR, Hindell M, Hobday AJ, Lea MA (2019) Variability in at-sea foraging behaviour of little penguins Eudyptula minor in response to finescale environmental features. Mar Ecol Prog Ser 627:141-154. https://doi.org/10.3354/meps13095 Export citation Mail this link - Contents Mailing Lists - RSS Facebook - Tweet - linkedIn Cited by Published in MEPS Vol. 627. Online publication date: September 26, 2019 Print ISSN: 0171-8630; Online ISSN: 1616-1599 Copyright © 2019 Inter-Research." @default.
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• W2968754702 date "2019-09-26" @default.
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• W2968754702 title "Variability in at-sea foraging behaviour of little penguins Eudyptula minor in response to finescale environmental features" @default.
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