A new tiny green frog with a blue armpit and red spots has been discovered in Costa Rican nature reserve

Glass frog hi-res stock photography and images - Alamy

Lowland Frogs of Costa Rica – ALEPHROCCO

The amphibians of Costa Rica: Frogs and Toads

How to visit frogs in Costa Rica

SAVE THE FROGS! Costa Rica Ecotour

Identifying and Numbering the Frog Kinds on the Ark

Scientists discover new species of glass frog in Costa Rica

New frog species discovered in Tapir Valley Nature Reserve

Gray treefrog - Wikipedia