Fluorescing frogs

This exercise is a part of Educator Guide: Bird Behavior and Fluorescing Frogs / View Guide
A photo of a small green Sarayacu tree frog sitting on a green background.
The Sarayacu treefrog (Dendropsophus parviceps) is one of 151 frog species recently determined to fluoresce under the blue hues of twilight.Santiago Ron

Directions for...