Bruce Thomson / White-lipped green tree frog (Litoria infrafrenata) clinging on to a branch, Etty Bay, Wet Tropics World Heritage area, Queensland, Australia.

Bruce Thomson / Common mist frog (Litoria rheocola) sitting on a leaf at night, Wet Tropics World Heritage area, Queensland, Australia.

Bruce Thomson / Rainforest stream frog (Litoria jungguy) sitting on a branch at night, Wet Tropics World Heritage area, Queensland, Australia.

Chris Mattison / Roth's tree frog (Litoria rothii) on tree branch, Josephine Falls, Queensland, Australia

Chris Mattison / Roth's tree frog (Litoria rothii) sitting on tree branch, Josephine Falls, Queensland, Australia

Chris Mattison / Roth's tree frog (Litoria rothii) on rocky ground, Josephine Falls, Queensland, Australia

Chris Mattison / Common mist frog (Litoria rheocola), Josephine Falls, Queensland, Australia