The course will provide an updated review and synthesis of the current state of ecotoxicology of chemical contaminants and and ecological risk assessment in amphibians and reptiles. It will also give an overview on different methodologies used to collect animals in the field, to culture them in the laboratory, and to generate ecotoxicological data. All the information will be complemented with the presentation of national and international case studies. Leer más.

We describe a new frog, Pristimantis mutabilis sp. nov., from the Andes of Ecuador. Individuals of the new species are remarkable for their ability to change skin texture from tuberculate to almost smooth in a few minutes, being the first documented amphibian species to show such dramatic phenotypic plasticity. Leer más.