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"The evolution of diversity in morphology and species richness in frogs and toads of the world". Species richness and morphological diversity often vary drastically among groups of closely related organisms. Why are some groups more diverse than others? What are the ecological factors that drive such differences? In this talk, I will discuss two recent studies in which I examine the importance of microhabitat use in determining both body form, and thus morphological diversity in some groups, as well as differences in diversification rate, which closely relates to species diversity. In the first part of the talk, I will discuss morphological convergence and the scales (both temporal and spatial) at which it is typically observed. I then will describe a study that examined the relative importance of similar microhabitat use versus shared evolutionary history in determining body form in anurans (frogs and toads). In the second part of the talk, I will explore the relative importance of microhabitat use and climatic factors on diversification rates in anurans. Finally, I will describe recent work in my lab to better characterize and understand diversity in microhabitat, morphology, and functional performance across clades of frogs, highlighting recent fieldwork in Madagascar.

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