A group of researchers from the University of Jyväskylä and Stanford University were part of an expedition to French Guiana to study tropical frogs in the Amazon. Amphibian species of this region use ephemeral pools of water as their nurseries and display unique preferences for specific physical and chemical characteristics. Despite species-specific preferences, researchers were surprised to find tadpoles of the dyeing poison frog surviving in an incredible range of both chemical (pH 3-8) and vertical (0-20 m in height) deposition sites. This research was published in the journal Ecology and Evolution in June 2021.