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The climate variability hypothesis posits that increased environmental thermal variation should select for thermal generalists, while stable environments should favor thermal specialists. This hypothesis has been tested on large spatial scales, such as latitude and elevation, but less so on smaller scales reflective of the experienced microclimate. Here, we estimated thermal tolerance limits of 75...
Here, we describe the extreme plasticity in colour variation in the tadpole of the executioner clownfrog, Dendropsophus carnifex (Anura: Hylidae), found across nearby ponds in Mindo (Ecuador). Tadpole coloration was compared between individuals from four distinct ponds revealing two explicit colour schemes, a pale phenotype which is commonly described for this species and a bright phenotype which,...
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