Genetic, developmental, and physiological mechanisms all impact evolutionary trajectories and hence may shape responses to selection. We examined the extent to which genetic and neural mechanisms limit behavioral evolution in guppies by leveraging the parallel evolutionary transitions in Trinidadian guppies. Much prior work has characterized the parallel changes in a suite of social and antipredator behaviors that follow independent colonization of low-predation sites by guppies originally from high-predation localities.
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Craniodental traits predict feeding performance and dietary hardness in a community of free-tailed bats
By: David Villalobos Chaves (Santana Lab)
Grasshopper energetics as a predictor of fitness
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