Ichthyosaura Alpestris (IMAGE) Smithsonian Tropical Research Institute Caption Ichthyosaura alpestris, the Alpine newt, inhabits forests in mountainous regions in Europe and Great Britain. According to this study published in Nature Ecology and Evolution, skin bacteria sampled from amphibians in cold areas and areas with variable temperatures were more diverse than skin microbiomes in tropical areas with more stable temperatures. Credit Credit: Miguel Vences Usage Restrictions Credit: Miguel Vences License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.