One of the many large treefrogs one can find in the understory of the Peruvian Amazon on a night hike.

One of the many large treefrogs one can find in the understory of the Peruvian Amazon on a night hike.

One of the Red-Eyed Treefrogs that called at night from the bushes above a small pond in Costa Rica last year.

This Red-Eyed Treefrog was really dark compared to others I’d seen! Found on a nighttime walk in the Guatemalan rainforest.
