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Intraspecific and interspecific aggression among Flame, Scarlet and Dusky Robins

Citation

Hui, TCY, Intraspecific and interspecific aggression among Flame, Scarlet and Dusky Robins, Australian Field Ornithology, 33 pp. 143-147. ISSN 1448-0107 (2016) [Refereed Article]


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Copyright 2016 Birdlife Australia

DOI: doi:10.20938/afo33143147

Abstract

Flame Petroica phoenicea and Scarlet Robins Petroica boodang are interspecifically territorial wherever they meet. However, aggressive interactions between Dusky Robins Melanodryas vittata and these two species are rare where they co-occur. Interspecific aggression among co-existing species may be due to competition for resources. In this study at Cloudy Bay, South Bruny Island, Tasmania, in August 2004-February 2005, I examined intraspecific and interspecific territoriality in Flame, Scarlet and Dusky Robins by observing displays of aggression within and between the three species. I also used song-playback experiments to test whether the robins could discriminate between conspecific and congeneric species. Flame and Scarlet Robins responded differentially to playback of each otherís song, but did not respond to Dusky Robin calls. Aggression between Flame and Scarlet Robins may be because of competition for horizontal space or resources. Conversely, the lack of aggression between Dusky Robins and these two species may be because of their ability to exploit different resources even when they are in the same area.

Item Details

Item Type:Refereed Article
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Behavioural Ecology
Objective Division:Environment
Objective Group:Flora, Fauna and Biodiversity
Objective Field:Flora, Fauna and Biodiversity of environments not elsewhere classified
Author:Hui, TCY (Miss Tabitha Hui)
ID Code:117661
Year Published:2016
Deposited By:Zoology
Deposited On:2017-06-23
Last Modified:2017-09-22
Downloads:0

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