Photo of Daniel Colaco Osorio

Daniel Colaco Osorio
Professor of Neuroscience (Evolution, Behaviour and Environment)
T: +44 (0)1273 877440


Animal colour vision and eye design, visual ecology and the evolution of visual signals. Current research on birds, primates and cephalopod molluscs, deals with how these animals perceive their natural environments, and how they use vision to recognise and learn about objects in their worlds.

Some Recent Publications
Bird vision and behaviour

  • Martin, GR, Osorio, D. 2008. Vision in birds. Pages 25-52 in The Senses: A comprehensive reference, Vol. 1 Vision 1 (A.I. Basbaum, A. Kaneko, G.M. Shepherd, and G. Westheimer, editors). Academic press, San Diego. ISBN 0126394822. doi:10.1016/B978-012370880-9.00401-1 

  • Chittka L, Osorio D. 2007. Cognitive dimensions of predator responses to imperfect mimicry. PLoS Biol. 5 :e339. doi:10.1371/journal.pbio.0050339
  • Ham AD, Osorio D. 2007. Colour preferences and colour vision in poultry chicks. Proc R Soc Lond B. 274: 1941-1948. doi: 10.1098/rspb.2007.0538
  • Baddeley RJ, Osorio D, Jones CD. 2007. Generalization of color by chickens: Experimental observations and a Bayesian model. American Naturalist 169: S27-S41. doi:10.1086/510142
  • Jones CD, Osorio D. 2004. Discrimination of oriented visual textures by poultry chicks. Vision Res. 44: 83-89. doi:10.1016/j.visres.2003.08.014

Primate trichromacy and reviews on photoreceptor spectral sensitivities and colour vision

  • Osorio D, Vorobyev, M. 2008. A review of the evolution of animal colour vision and visual communication signals. Vision Research.
  • Osorio D, Vorobyev M. 2005. Photoreceptor spectral sensitivities in terrestrial animals: adaptations for luminance and colour vision. Proc R Soc Lond B. 2005 72: 1745-1752. doi:10.1098/rspb.2005.3156
  • Osorio D, Smith, AC, Vorobyev M , Buchanan-Smith HM. 2004. Detection of fruit and the selection of primate visual pigments for color vision. American Naturalist 164: 696-708. doi: 10.1086/425332
  • Kelber A, Vorobyev M, Osorio D. 2003. Animal colour vision: behavioural tests and physiological concepts. Biol Rev Camb Philos Soc. 78: 81-118. doi:10.1017/S1464793102005985
  • Surridge AK, Osorio, D, Mundy NI. 2003. Evolution and selection of trichromatic vision in primates. Trends in Ecol. Evol. 18: 198-205 doi:10.1016/S0169-5347(03)00012-0

Cuttlefish visual behaviour and camouflage

  • Kelman, E.J., Osorio, D. Baddeley, R.J. 2008. A review of cuttlefish camouflage and object recognition and evidence for depth perception, Journal of Experimental Biology, 211. doi: 10.1242/jeb.015149
  • Langridge KV, Broom M, Osorio D. 2007. Selective signalling by cuttlefish to predators. Curr Biol. 17: R1044-5. doi:10.1016/j.cub.2007.10.028
  • Kelman EJ, Baddeley RJ, Shohet AJ, Osorio D. 2007. Perception of visual texture and the expression of disruptive camouflage by the cuttlefish, Sepia officinalis. Proc R Soc Lond B. 274: 1369-1375. doi: 10.1098/rspb.2007.0240
  • Kelman EJ, Tiptus P, Osorio D. 2006. Juvenile plaice (Pleuronectes platessa) produce camouflage by flexibly combining two separate patterns. J Exp Biol. 209: 3288-3292. doi: 10.1242/jeb.02380

Miscellaneous: Insect vision, Plumage Coloration etc.

  • Osorio D. 2007. Spam and the evolution of the fly's eye. Bioessays. 29 :111-115
  • Madsen V, Dabelsteen T, Osorio D, Osorno J-L. 2007. Morphology and ornamentation in male magnificent frigatebirds: Variation with age class and mating status. American Naturalist 169 S93-S111. DOI: 10.1086/510096
  • Booth D, Stewart AJ, Osorio D. 2004. Colour vision in the glow-worm Lampyris noctiluca (L.) (Coleoptera: Lampyridae): evidence for a green-blue chromatic mechanism. J Exp Biol. 207: 2373-2378. doi: 10.1242/jeb.01044
  • Osorio D, Ham AD. 2002. Spectral reflectance and directional properties of structural coloration in bird plumage. J. Exp. Biol. 205: 2017-2027.





Recent publication titles and some PDF's are on,_D.html