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Title of Journal: Polar Biol

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Abbravation: Polar Biology

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Springer-Verlag

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DOI

10.1016/j.arbr.2015.05.008

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1432-2056

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Individual variability of behavioural responses by

Authors: Marienne S de Villiers John Cooper Peter G Ryan
Publish Date: 2004/11/04
Volume: 28, Issue: 4, Pages: 255-260
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Abstract

SubAntarctic Marion Island has had a permanent research station for 50 years and the island’s Wandering Albatrosses have been intensively studied for 20 years The reactions of breeding birds to approaches by a human on foot were recorded Three response variables were calculated intensity of vocal reaction IVR intensity of nonvocal reaction INR and overall response index ORI At 5 m from the nest twice as many birds stood and/or vocalised as at 15 m Nearest neighbour distance age and gender did not explain individual variability of responses Study colony birds had higher IVR scores than nonstudy colony birds birds at colonies closest to the station had the highest ORI scores A better breeding record was associated with lower IVR and ORI scores but a causative relationship remains to be demonstrated A minimum viewing distance of 25 m is recommended for breeding Wandering AlbatrossesThanks are due to all those instrumental in compiling the Marion Island Wandering Albatross database particularly Robert Crawford and Deon Nel Permission to conduct research on Marion Island as well as invaluable logistic support were received from The Department of Environmental Affairs and Tourism through the South African National Antarctic Programme Valuable comments from Leslie Underhill and Robert Crawford greatly improved this manuscript

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