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SEMINAR(i): The evolution of ultraviolet signals in lizards

  • 13 de desembre de 2018
Arnaud Badiane

Next Thursday 10 January 2019 12:00 am at Seminar room - IFIC (institutes building floor 1), Dr. Arnaud Badiane (iEES Paris - Sorbonne Université) will give a Seminar on "The evolution of ultraviolet signals in lizards".

SEMINAR(i): The evolution of ultraviolet signals in lizards

WHO?: Dr. Arnaud Badiane (iEES Paris - Sorbonne Université)

WHAT?: The evolution of ultraviolet signals in lizards

WHEN?: Thursday 10/01/2019 – 12:00 am                      

WHERE?: Seminar room - IFIC (Institutes building floor 1)

ABSTRACT:

Animal signals respond to selection on their information content (strategic design) and their efficacy according to habitat conditions (tactical design), but how these two forces interact to generate intra-specific variation remains poorly understood. Here, after resolving a methodological issue about the objective measurement of colours, I examine the relative roles of strategic and tactical selection on the design of ultraviolet patches of male common wall lizards Podarcis muralis across a broad bioclimatic range. I also explore ultraviolet colours in a different functional context using the Australian bluetongue skinks Tiliqua scincoides and their spectacular tongue display.

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