Abstract
The warmer temperatures arising with the current climatic changes revived the interest for the influence of temperature on nutrient acquisition by omnivorous ectotherms. At higher temperatures, these organisms may optimize energetic intake by avoiding protein-rich diets and shifting toward higher herbivory. We revealed an association between the larval feeding preferences of three anurans and their thermal background, herbivory increasing with the temperature at which they live in nature. We found decreased efficiency of carnivorous diets and increased efficiency of herbivorous diets at higher temperatures. All species increased herbivory under short or long heat waves, a generalized response that may impact the structure and function of freshwater environments. These photographs illustrate the article “Warm vegetarians? Heat waves and diet shifts in tadpoles” by B. M. Carreira, P. Segurado, G. Orizaola, N. Gonçalves, V. Pinto, A. Laurila, and R. Rebelo, accepted for publication in Ecology. doi:10.1002/ecy.1541
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