Chien Lee / Masked Treefrog (Rhacophorus angulirostris) male, Kinabalu National Park, Sabah, Malaysia

Tim Fitzharris / Masked Treefrog (Rhacophorus angulirostris), Costa Rica

Chien Lee / Masked Treefrog (Rhacophorus angulirostris), Sarawak, Borneo, Malaysia

Pete Oxford / Masked Treefrog (Smilisca phaeota). Captive. Chocó Region of north western Ecuador.

Chien Lee / Masked Treefrog (Rhacophorus angulirostris), Mount Kinabalu National Park, Borneo, Malaysia

Chien Lee / Masked Treefrog (Rhacophorus angulirostris), Mount Kinabalu National Park, Borneo, Malaysia

Rolf Nussbaumer / Masked Treefrog {Smilisca phaeota} on leaves of climbing plant, Carara Biological Reserve, Costa Rica

Michael & Patricia Fogden / Masked Frog (Litoria personata) tadpole in rocky stream, Kakadu National Park, Northern Territory, Australia

Doug Wechsler / Masked treefrog on leaf {Smilisca phaeota} Rio Canande, Ecuador

Chien Lee / Masked Treefrog (Rhacophorus angulirostris), Sarawak, Borneo, Malaysia

Guy Edwardes / Masked treefrog (Smilisca phaeota) holding on to edge of leaf, Cloud Forest, Costa Rica, Central America.

Guy Edwardes / Masked treefrog (Smilisca phaeota) on leaves beside mountain stream. Arenal, Costa Rica. Controlled conditions.