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Intraspecific geographic variation in rod and cone visual pigment sensitivity of a parrot, Platycercus elegans

Knott, Ben, Berg, Mathew L., Ribot, Raoul F. H., Endler, John A. and Bennett, Andrew T. D. 2017, Intraspecific geographic variation in rod and cone visual pigment sensitivity of a parrot, Platycercus elegans, Scientific reports, vol. 7, pp. 1-8, doi: 10.1038/srep41445.

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Title Intraspecific geographic variation in rod and cone visual pigment sensitivity of a parrot, Platycercus elegans
Formatted title Intraspecific geographic variation in rod and cone visual pigment sensitivity of a parrot, Platycercus elegans
Author(s) Knott, Ben
Berg, Mathew L.ORCID iD for Berg, Mathew L. orcid.org/0000-0002-5774-3089
Ribot, Raoul F. H.
Endler, John A.ORCID iD for Endler, John A. orcid.org/0000-0002-7557-7627
Bennett, Andrew T. D.ORCID iD for Bennett, Andrew T. D. orcid.org/0000-0001-8512-2805
Journal name Scientific reports
Volume number 7
Article ID 41445
Start page 1
End page 8
Total pages 8
Publisher Nature Publishing Group
Place of publication London, Eng.
Publication date 2017-01-27
ISSN 2045-2322
Keyword(s) Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
OPSIN GENE-EXPRESSION
RETINAL OIL DROPLETS
HUMAN COLOR-VISION
SPECTRAL SENSITIVITY
SPECIES COMPLEX
BLUEFIN KILLIFISH
SEXUAL SELECTION
LUCANIA-GOODEI
EVOLUTION
PLUMAGE
Summary Variation in wavelength sensitivity among subspecies is unknown among vertebrates. The parrot Platycercus elegans has extreme plumage variation between subspecies ranging from pale yellow to crimson which, with differences in background colour and light environment between subspecies, makes it a good candidate for the evolution of within-species differences in vision. We report differences in visual pigments between populations of P. elegans from two subspecies, providing the first known support for population and subspecies variation in visual pigments within a vertebrate species; it is also the first instance of intraspecific variation in rod sensitivity within any vertebrate species. Differences in wavelength sensitivity of rods and cones corresponded to geographic differences in plumage colour. Between study populations, visual pigments varied but not oil droplets. Adaptive functions for the visual pigment differences are untested but they could cause divergence in behaviours associated with colour as well as in dim light, and provide insights into the role of senses in divergence and speciation.
Language eng
DOI 10.1038/srep41445
Field of Research 060809 Vertebrate Biology
060805 Animal Neurobiology
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30091746

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.