Google Scholar Profile, ResearchGate Profile.

Peer-reviewed publications:


  • Troscianko, J., Skelhorn, J., Stevens, M. (2018) Camouflage strategies interfere differently with observer search images. Proceedings of the Royal Society Blink (open access)
  • Ligon, R. A., Diaz, C. D., Morano, J. L., Troscianko, J. Stevens, M., Moskeland, A., Laman, T. G., & Scholes, E. III. (2018). Evolution of correlated complexity in the radically different courtship signals of birds-of-paradise. PLOS Biology. – link (open access)blog post
  • Holmes, G.G., Delferrière, E., Rowe, C., Troscianko, J., & Skelhorn, J. (2018). Testing the Feasibility of the Startle-First Route to Deimatism. Scientific Reports 8 (1): 10737. – link (open access)
  • Gómez, J., Ramo, C., Stevens, M., Liñán‐Cembrano, G., Rendón, M. A., Troscianko, J. T., & Amat, J. A. (2018). Latitudinal variation in biophysical characteristics of avian eggshells to cope with differential effects of solar radiation. Ecology and Evolution.linkdownload PDF
  • Gómez, J., Ramo, C., Troscianko, J., Stevens, M., Castro, M., Pérez-Hurtado, A., Liñán-Cembrano, G., and Amat, J.A. (2018). Individual egg camouflage is influenced by microhabitat selection and use of nest materials in ground-nesting birds. Behavioural Ecology & Sociobiology 72, 142. – linkdownload PDF
  • Koleček, J., Šulc, M., Piálková, R., Troscianko, J., Požgayová, M., Honza, M., and Procházka, P. (2018). Rufous Common Cuckoo chicks are not always female. Journal of Ornithology. – linkdownload PDF
  • Dalbosco Dell’Aglio, D., Troscianko, J., McMillan, W.O., Stevens, M., Jiggins, C.D. (2018). The appearance of mimetic Heliconius butterflies to predators and conspecifics. Evolutionlink –  download PDF


  • lowgabrat-p23-s24-gabrat-false-colour-cropTroscianko J., Skelhorn, J., & Stevens M. (2017). Quantifying camouflage: how to predict detectability from appearance. BMC Evolutionary Biology. 17:7. – link (open access)Blog Post
  • fiery-neck-di-triTroscianko J., Wilson-Aggarwal J., Griffiths D., Spottiswoode C.N. & Stevens M. (2017). Relative advantages of dichromatic and trichromatic color vision in camouflage breaking. Behavioral Ecology 28:556-564. – link (open access)Blog Post
    • Reuters made a short video covering this research (here).
  • Koski, T-M, Lindstedt, C, Klemola, T, Troscianko, J, Mäntylä, E, Tyystjärvi, E, Stevens, M, Helander, M, Laaksonen, T. (2017). Insect herbivory may cause changes in the visual properties of leaves and affect the camouflage of herbivores to avian predators. Behavioral Ecology and Sociobiology. 71:97 – linkdownload PDF
  • Abernathy, V.E., Troscianko, J. & Langmore, N.E. (2017). Egg mimicry by the pacific koel: mimicry of one host facilitates exploitation of other hosts with similar egg types. Journal of Avian Biology. 48:11 1414-1424 – linkdownload PDF
  • Robledo-Ospina L.E., Escobar-Sarria F. Troscianko J., & Rao D. (2017). Two ways to hide: predator and prey perspective of disruptive colouration and background matching in jumping spiders. Biological Journal of the Linnean Society blx108 – link


  • Kittlitz Plover IncubatingTroscianko J., Wilson-Aggarwal J., Spottiswoode, C.N. & Stevens, M. (2016). Nest covering in plovers: how modifying the visual environment influences egg camouflage. Ecology and Evolution 10.1002/ece3.2494 – link (open access)Blog Post
  • buryingbeetlesminiDe Gasperin O., Duarte A., Troscianko J. & Kilner R.M. (2016). Fitness costs associated with building and maintaining the burying beetle’s carrion nest. Scientific Reports, 6, 35293. – link (open access)Blog Post
  • Medina, I., Troscianko, J., Stevens, M., Langmore, N.E., Brodie, E.D., and Michalakis, Y. (2016). Brood Parasitism Is Linked to Egg Pattern Diversity within and among Species of Australian Passerines. The American Naturalist 6:1320-1331. – linkdownload PDF


  • Wilson-Aggarwal J., Troscianko, J., Stevens, M. & Spottiswoode, C.N. (2016). Escape distance in ground-nesting birds differs with individual level of camouflage. The American Naturalistlink (open access)Blog Post


  • Stevens, M., Broderick, A.C., Godley, B.J., Lown, A.E., Troscianko, J., Weber, N., and Weber, S.B. (2015). Phenotype–environment matching in sand fleas. Biology Letters 11: 20150494. – link (open access)Blog Post
  • Burriss, R.P., Troscianko, J., Lovell, P.G., Fulford, A.J.C., Stevens, M., Quigley, R., Payne, J., Saxton, T.K., and Rowland, H.M. (2015). Changes in Women’s Facial Skin Color over the Ovulatory Cycle are Not Detectable by the Human Visual System. PLoS ONE 10, e0130093. – link (open access)


  • Hughes, A. E., Troscianko, J., & Stevens, M. (2014). Motion Dazzle and the Effects of Target Patterning on Capture Success. BMC Evolutionary Biology 14 (1): 201. – linkdownload PDF
  • Arenas, L.M., Troscianko, J., Stevens, M. (2014). Color contrast and stability as key elements for effective warning signals. Frontiers in Ecology and Evolution 2:25. – linkdownload PDF


  • Stevens, M. Troscianko, J. Spottiswoode, C. N. (2013). Repeated targeting of the same hosts by a brood parasite compromises host egg rejection. Nature Communications 4(2475). – linkdownload PDF
  • Troscianko, J, Lown, A. E., Hughes, A. E., Stevens, M. (2013). Defeating Crypsis: Detection and Learning of Camouflage Strategies. PLoS One. 8(9): e73733. – linkdownload PDF
    • Covered by NewScientist, and highlighted on their home page.
  • Stevens, M., Marshall, K.L.A., Troscianko, J., Finlay, S., Burnand, D. & Chadwick, S.L. (2013). Revealed by conspicuousness: distractive markings reduce camouflage. Behavioural Ecology. 4: 213-222. – download PDF
  • Stevens, M., Troscianko, J., Marshall, K.L. & Finlay, S. (2013). What is camouflage through distractive markings? A reply to Merilaita et al.(2013). Behavioral Ecology, 24, e1272–e1273. – link


Illustration of the mounting method used for crow-cams

  • Rutz, C., & Troscianko, J. (2012). Programmable, miniature video-loggers for deployment on wild birds and other wildlife. Methods in Ecology and Evolution. 4: 114–122. – download PDF
  • Troscianko, J., von Bayern, A.M.P., Chappell, J., Rutz, C. & Martin, G.R. (2012). Extreme binocular vision and a straight bill facilitate tool use in New Caledonian crows. Nature communications. 3: 1110. – download PDF


  • Rutz, C., Bluff, L.A., Reed, N., Troscianko, J., Newton, J., Inger, R., Kacelnik, A. & Bearhop, S. (2010). The ecological significance of tool use in New Caledonian crows. Science. 329: 1523-1526. – download PDF
  • New Calidonian Crow ToolBluff, L. A., Troscianko, J., Weir, A. A. S., Kacelnik, A. & Rutz, C. (2010). Tool use by wild New Caledonian crows Corvus moneduloides at natural foraging sites. Proceedings of the Royal Society B: Biological Sciences. 277: 1377-1385. – download PDF


  • Takahashi, T., McDougall, C., Troscianko, J., Chen, W. C., Jayaraman-Nagarajan, A., Shimeld, S. M. & Ferrier, D. E. K. (2009). An EST screen from the annelid Pomatoceros lamarckii reveals patterns of gene loss and gain in animals. BMC Evolutionary Biology. 9: 240. – download PDF


  • Troscianko, J., Bluff, L. A. & Rutz, C. (2008). Grass-stem tool use in New Caledonian Crows Corvus moneduloides. Ardea. 96: 283-285. – download PDF


  • Lovell, P. G., Tolhurst, D. J., Parraga, C. A., Baddeley, R., Leonards, U. & Troscianko, J. (2005). Stability of the color-opponent signals under changes of illuminant in natural scenes. Journal of the Optical Society of America, A. 22: 2060-2071. – download PDF
  • Lovell, P. G., Tolhurst, D. J., Parraga, C. A., Baddeley, R. J., Leonards, U., Troscianko, J. & Troscianko, T. (2005). Opponent channel responses to changes in the illuminant of natural scenes for primates and birds. Perception 34: 59.


  • Troscianko, T., Parraga, C. A., Leonards, U., Baddeley, R. J., Troscianko, J. & Tolhurst, D. J. (2003). Leaves, fruit, shadows, and lighting in kibale forest, Uganda. Perception 32: 51.
  • Parraga, C.A., Troscianko, T., Troscianko, J., Tolhurst, D.J., and Leonards, U. (2003). Spatiochromatic Properties of Images of Fruits and Leaves from Kibale Forest, Uganda. Journal of Vision 3 (9): 315–315.

PhD Thesis

Troscianko, J. (2012). Ecological, morphological and behavioural aspects of tool-use in New Caledonian crows. Please email me if you’d like a copy – address below

Other Publications

Troscianko, J. (2017). Ornithological Masterclass: Camouflage and Survival, BTO News 323, pp16-19.