• New preprint on methods for comparing colour samples

    The inimitable Rafael Maia and I have a new preprint out, which deals with some common statistical and methodological issues that arise when comparing groups of colours. Viewer-subjective “colour spaces” are a common tool for studying colour traits, and the underlying analytical objective typically centres on estimating how similar or...


  • New paper on lure polymorphism

    Our latest paper—and the last from my PhD (phew)— on deceptive colour polymorphism is out in BMC Evolutionary Biology. It’s an experimental test of the idea, fleshed out in an earlier paper, that the ‘white’ and ‘yellow’ morphs of the spiny spider G. fornicata may essentially represent alternate strategies for...


  • Comment on spider colouration

    I recently had the opportunity to provide comment on a neat paper on deceptive spider colouration for The New Scientist — the resulting write-up can be found in their news section.


  • Pavo 1.1

    Version 1.1 of pavo is currently working its way through the internals of CRAN, and should be available over the next day or two. It mostly fixes some bugs following the 1.0 release, and also rolls the segment analysis into the new colspace() framework, with a new plot of its...