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Claire DOUTRELANT.

Tenure CNRS Research Scientist (DR2)
​PhD Evolutionary Biology & Ecology


CNRS - CEFE UMR5175
1919 route de Mende
34393 Montpellier 5
​FRANCE
​claire[dot]doutrelant[at]cefe[dot]cnrs[dot]fr
+33 (0) 4 67 61 32 60
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visit my personal website here

What am I doing.

My research, centred in the theoretical framework of evolutionary ecology, aims at understanding the function and evolution of colour ornamentation in birds and the evolution of cooperation in birds. Below are three main projects I develop on colour evolution. 
EVolution OF FEMALE ORNEMENTATION
SPATIO-TEMPORAL VARIATION
​IN PLUMAGE ORNEMENTATION
 
COLOUR EVOLUTION ON ISLANDS

Evolution of female ornamentation.

 
In this project we use a combination of empirical, comparative, and theoretical approaches to address three fundamental questions: (i) Are female conspicuous traits under sexual /social selection ? (ii) Do female conspicuous traits reflect female quality and which mechanisms maintain signal honesty? (iii) What are the population consequences of female signalling and mutual sexual selection. I work in both monomorphic species and dimorphic species in which females present conspicuous traits or colour eggs.

 

Causes and consequences of the spatio temporal variation 

in plumage ornamentation.

Selection often varies in space and time and long-term research that spans broad spatial scales is needed to understand the factors driving phenotypic variation and to assess the links between traits and fitness.  To assess the importance of spatiotemporal variation  and its consequences on selection estimates, we collected data on two study systems: (i) the blue tit (yellow and UV-blue colorations measured by spectrophotometry since 2005, 600 birds measured each year); (ii) the  size of the sociable weaver melanin patch  since 2010 (the bib patch is photographied each year on 400 individuals)

 

Colour evolution on islands.

 
Island environments share distinctive characteristics that offer unique opportunities to investigate convergent evolution. We work on colour evolution on islands, comparing colouration of  species endemic to islands and their closest mainland relatives and measuring the main factors known to affect colour variation to determine the mechanisms behind convergent evolution.

Main collaborators and Phd students.

 
Rita Covas
Arnaud Grégoire
Doris Gomez
Anne Charmantier
Céline Téplitsky
Denis Réale
Hugo Gruson (current Phd student on the Evolution of irridescence)
Amélie Fargevieille (p
ast Phd student)
Afiwa Midagmegbe (past Phd student)
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