SCIENCE NEWS — Many animals — from marine species like fish to corals and land creatures like penguins and parrots — have a hidden skill: gleaming blue, green or red under certain kinds of light (SN: 11/17/17). But when it comes to amphibians, experts knew of only one salamander and three frogs that fluoresced — until now.
Jennifer Lamb and Matthew Davis, biologists at St. Cloud State University in Minnesota, shone blue or ultraviolet light on 32 species of amphibians, including salamanders, frogs and the wormlike caecilian, at varying life stages. To their surprise, all lit up, turning brilliant shades ranging from green to yellow, the researchers report February 27 in Scientific Reports.
Read more: Glowing frogs and salamanders may be surprisingly common
