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Intraspecific phenotypic variability in the black-eared miner (Manorina melanotis); human-facilitated introgression and the consequences for an endangered taxon

Clarke, Rohan H., Gordon, Ian R. and Clarke, Michael F. 2001, Intraspecific phenotypic variability in the black-eared miner (Manorina melanotis); human-facilitated introgression and the consequences for an endangered taxon, Biological conservation, vol. 99, no. 2, pp. 145-155, doi: 10.1016/S0006-3207(00)00163-4.

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Title Intraspecific phenotypic variability in the black-eared miner (Manorina melanotis); human-facilitated introgression and the consequences for an endangered taxon
Author(s) Clarke, Rohan H.
Gordon, Ian R.
Clarke, Michael F.
Journal name Biological conservation
Volume number 99
Issue number 2
Start page 145
End page 155
Publisher Elsevier Science
Place of publication Amsterdam, The Netherlands
Publication date 2001-06
ISSN 0006-3207
1873-2917
Keyword(s) yellow-throated miner
manorina flavigula
murray mallee
hybrid
conservation
Summary Prior to this study the circumscription of the endangered black-eared miner (Manorina melanotis) and the common yellow-throated miner (Manorina flavigula) has been clouded by the existence of hybrid individuals. We examined the intra- and inter-specific phenotypic variation of the two taxa. All available museum specimens (n=138) and a sample of live individuals (n=83) were examined. Cluster analysis revealed a continuum of phenotypic traits now exists between the two taxa. However, further analysis revealed the black-eared miner and yellow-throated miner were separable on phenotypic characters prior to extensive modification of mallee habitat after 1950, suggesting the black-eared miner should be afforded full species status [contrary to Schodde and Mason, 1999. (Schodde, R., Mason, I.J., 1999. The Directory of Australian Birds: Passerines. CSIRO Wildlife and Ecology, Canberra]. Our study highlights the need to carefully examine, not only intraspecific phenoptyic variation within a taxon, but to also consider how such variation may be affected by hybridisation facilitated by human disturbance of habitat.


Language eng
DOI 10.1016/S0006-3207(00)00163-4
Field of Research 050202 Conservation and Biodiversity
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2001, Elsevier Science Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30004383

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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