We demonstrate that while both habitat use and diet are significant predictors of shape in many regions of the skull, habitat use significantly predicts shape in a greater number of skull regions when compared to diet. Leer más.
Neotropical toads from the Rhinella margaritifera species group have been considered a taxonomic puzzle for a long time. Because of the high morphological similarity and an unknown number of undescribed taxa among the species of this group, we did an extensive search for character distribution within all nominal taxa. Leer más.
Las poblaciones de reptiles en Suiza no dejan de disminuir. La situación es especialmente crítica para la serpiente de cuello anillado y la serpiente esculapio. A los anfibios les va un poco mejor, ya que las medidas de protección han frenado parcialmente su declive. Leer más.
Visual models indicated that both conspecifics and predators can visually discriminate salamander color morphs under night-light conditions. Assuming the potential role of yellow and red color patches as visual signals, putatively related to social signaling, we could suspect that these colors represent different adaptive optima. Leer más.
