Reflectance variation in the blue tit crown in relation to feather structure

G. Hegyi, Mikl s. Laczi, D. ra K t l, Tam s. Csizmadia, P. ter Low, Bal zs Rosivall, Eszter Sz llosi, J. nos T r k

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Structural plumage colour is one of the most enigmatic sexually selected traits. The information content of structural colour variation is debated, and the heterogeneity of the findings is hard to explain because the proximate background of within-species colour differences is very scarcely studied. We combined measurements of feather macrostructure and nanostructure to explain within-population variability in blue tit crown reflectance. We found that sexual dichromatism in aspects of crown reflectance was explained only by feather macrostructure, whereas nanostructural predictors accounted for some of the age-related differences in reflectance. Moreover, we found that both mean reflectance and spectral shape traits reflected a combination of quantity and regularity aspects in macrostructure and nanostructure. This rich proximate background provides ample scope for reflectance to convey various types of information on individual quality.

Original languageEnglish
Article numberjeb176727
JournalJournal of Experimental Biology
Volume221
Issue number9
DOIs
Publication statusPublished - May 1 2018

Fingerprint

Feathers
Cyanistes caeruleus
feather
Crowns
feathers
reflectance
Nanostructures
Color
nanomaterials
color
age-related difference
plumage
Population

Keywords

  • Coherent scattering
  • Cyanistes caeruleus
  • Macrostructure
  • Nanostructure
  • Ultraviolet

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Physiology
  • Aquatic Science
  • Animal Science and Zoology
  • Molecular Biology
  • Insect Science

Cite this

Hegyi, G., Laczi, M. S., K t l, D. R., Csizmadia, T. S., Low, P. T., Rosivall, B. Z., ... T r k, J. N. (2018). Reflectance variation in the blue tit crown in relation to feather structure. Journal of Experimental Biology, 221(9), [jeb176727]. https://doi.org/10.1242/jeb.176727

Reflectance variation in the blue tit crown in relation to feather structure. / Hegyi, G.; Laczi, Mikl s.; K t l, D. ra; Csizmadia, Tam s.; Low, P. ter; Rosivall, Bal zs; Sz llosi, Eszter; T r k, J. nos.

In: Journal of Experimental Biology, Vol. 221, No. 9, jeb176727, 01.05.2018.

Research output: Contribution to journalArticle

Hegyi, G, Laczi, MS, K t l, DR, Csizmadia, TS, Low, PT, Rosivall, BZ, Sz llosi, E & T r k, JN 2018, 'Reflectance variation in the blue tit crown in relation to feather structure', Journal of Experimental Biology, vol. 221, no. 9, jeb176727. https://doi.org/10.1242/jeb.176727
Hegyi, G. ; Laczi, Mikl s. ; K t l, D. ra ; Csizmadia, Tam s. ; Low, P. ter ; Rosivall, Bal zs ; Sz llosi, Eszter ; T r k, J. nos. / Reflectance variation in the blue tit crown in relation to feather structure. In: Journal of Experimental Biology. 2018 ; Vol. 221, No. 9.
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