Publications

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rana pipiens complex: mating call structure and taxonomy.geographic variability in call structure indicates that four largely allopatric populations of leopard frogs are present in the central united states. these forms appear to maintain their distinctness in narrow zones of sympatry, and most adult males can be separated morphologically. it is suggested that the four forms represent distinct species and that the idea of gradual clinal variability in one wide-ranging species is wrong.19685698835
co-habiting amphibian species harbor unique skin bacterial communities in wild populations.although all plant and animal species harbor microbial symbionts, we know surprisingly little about the specificity of microbial communities to their hosts. few studies have compared the microbiomes of different species of animals, and fewer still have examined animals in the wild. we sampled four pond habitats in colorado, usa, where multiple amphibian species were present. in total, 32 amphibian individuals were sampled from three different species including northern leopard frogs (lithobates ...201121955991
regional decline of an iconic amphibian associated with elevation, land-use change, and invasive species.ecological theory predicts that species with restricted geographic ranges will have the highest probability of extinction, but species with extensive distributions and high population densities can also exhibit widespread population losses. in the western united states populations of northern leopard frogs (lithobates pipiens)-historically one of the most widespread frogs in north america-have declined dramatically in abundance and geographic distribution. to assess the status of leopard frogs i ...201121342266
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