References

Scientific Works

Andersson, S. (1999). Morphology of UV reflectance in a whistling thrush: implications for the study of
structural color signaling in birds. Journal of Avian Biology, 30 (2), 193-204.

Andersson, S., Ornborg, J., and Andersson, M. (1998). Ultraviolet sexual dimorphism and assortative
mating in blue tits. Proceedings of the Royal Society of London: Biological Sciences, 265 (1395),
445-450.

Eaton, M. D. (2006). A phylogenetic perspective on the evolution of chromatic ultraviolet plumage
coloration in grackles and allies (Icteridae). The Auk, 123 (1), 211-234.

Eaton, M. D., and Lanyon, S. M. (2003). The ubiquity of avian ultraviolet plumage reflectance.
Proceedings of the Royal Society of London: Biological Sciences, 270 (1525), 1721-1726.

Griggio, M., Zanollo, V., and Hoi, H. (2009). UV plumage color is an honest signal of quality in male
budgerigars. Ecological Research, 25 (1), 77-82.

Griggio, M., Hoi, H., and Pilastro, A. (2010). Plumage maintenance affects ultraviolet color and female
preference in the budgerigar. Behavioural Processes, 84 (3), 739-744.

Hart, N. S., and Hunt, D. M. (2007). Avian visual pigments: characteristics, spectral tuning, and evolution.
The American Naturalist, 169 (1), S7-S26.

Hausmann, F., Arnold, K. E., Marshall, N. J., and Owens, I. P. F. (2002). Ultraviolet signals in birds are
special. Proceedings of the Royal Society of London: Biological Sciences, 270 (1510), 61-67.

Hunt, S., Cuthill, I. C., Bennett, A. T. D., Church, S. C., and Partridge, J. C. (2001). Is the ultraviolet
waveband a special communication channel in avian mate choice? Journal of Experimental
Biology, 204 (14), 2499-2507.

Keyser, A. J., and Hill, G. E. (1999). Condition-dependent variation in the blue-ultraviolet coloration of a
structurally based plumage ornament. Proceedings of the Royal Society of London: Biological
Sciences, 266 (1421), 771-777.

Keyser, A. J., and Hill, G. E. (2000). Structurally based plumage coloration is an honest signal of quality in
male blue grosbeaks. Behavioral Ecology, 11 (2), 202-209.

Pearn, S. M., Bennett, A. T. D., and Cuthill, I. C. (2001). Ultraviolet vision, fluorescence and mate choice
in a parrot, the budgerigar Melopsittacus undulatus. Proceedings of the Royal Society of London:
Biological Sciences, 268 (1482), 2273-2279.

Prum, R. O., Andersson, S., and Torres, R. H. (2003). Coherent scattering of ultraviolet light by avian
feather barbs. The Auk, 120 (1), 163-170.

Siefferman, L., and Hill., G. E. (2003). Structural and melanin coloration indicate parental effort and
reproductive success in male eastern bluebirds. Behavioral Ecology, 14 (6), 855-861.

Stevens, M., and Cuthill, I. C. (2007). Hidden messages: are ultraviolet signals a special channel in avian
communication? Bioscience, 57 (6), 501-507.

Terakita, A. (2005). The opsins. Genome Biology, 6 (3), 213.

Tinbergen, N. (1963). On aims and methods of ethology. Zeitschrift fur Tierpsychologie, 20, 410-433.

Widelitz, R. B., Jiang, T. X., Yu, M. K., Shen, T., Shen, J. Y., Wu, P., Yu, Z. C., and Chuong, C. M.
(2003). Molecular biology of feather morphogenesis: a testable model for evo-devo research.
Journal of Experimental Zoology: Molecular and Developmental Evolution, 298B (1), 109-122.

Wilkie, S. E., Vissers, P. M. A. M., Das, D., DeGrip, W. J., Bowmaker, J. K., and Hunt, D. M. (1998). The
molecular basis for UV vision in birds: spectral characteristics, cDNA sequence and retinal
localization of the UV-sensitive visual pigment of the budgerigar (Melopsittacus undulatus). Biochemical
Journal, 330
, 541-547.

Xu, R. F., Wu, W., and Xu, H. (2007). Investigation of feather follicle development in embryonic geese.
Poultry Science, 86 (9), 2000-2007.

Yokoyama, S., Radlwimmer, F. B., and Blow, N. S. (2000). Ultraviolet pigments in birds evolved from
violet pigments by a single amino acid change. Proceedings of the National Academy of Sciences
of the United States of America, 97 (13), 7366-7371.

Yu, M., Wu, P., Widelitz, R. B., and Chuong, C. M. (2002). The morphogenesis of feathers. Nature, 420
(6913), 308-312.

Zampiga, E., Hoi, H., and Pilastro, A. (2004). Preening, plumage reflectance and female choice in
budgerigars. Ethology Ecology and Evolution, 16 (4), 339-349.

 

Pictures

Introduction
http://www.mypetbudgie.com/budgies/1-budgie-parakeet-95.jpg
http://www.mickaboo.com/newsletter/apr10/Light.html
http://www.learner.org/jnorth/images/graphics/d-e/dragonflydarner.gif
http://www.learner.org/jnorth/images/graphics/d-e/dragonflydarnerhumanview.gif

Phylogeny
http://www.ou.edu/class/zoo2204/vertphyl.jpg
http://2345bgs.homestead.com/files/archeopteryx.jpg
http://www.search4dinosaurs.com/jm_archeopteryx.jpg
http://scienceblogs.com/evolgen/upload/2008/06/bird_phylogeny_sm.JPG
Eaton 2006

Ontogeny
http://upload.wikimedia.org/wikipedia/commons/9/96/Altricial_chicks.jpg
Xu et. al. 2007
http://www.getty.edu/conservation/science/lighting/lighting_images.html
Widelitz et. al. 2003

Mechanism
Wilkie et. al. 1998
Hart and Hunt 2007
http://upload.wikimedia.org/wikipedia/commons/e/e7/Parrot-feather.jpg
http://upload.wikimedia.org/wikipedia/en/2/2f/FeatherMagnified.JPG

Adaptive Value
http://www.hiltonpond.org/images/OwlSawWhetWingUV01.jpg
http://www.abc.net.au/science/news/img/budgiefluro2.jpg
http://upload.wikimedia.org/wikipedia/commons/2/27/Woodland_English_Autumn_Sunlit.JPG