Tim Laman / Long-nosed Tree Frog (Litoria pinocchio). New species discovered by Paul Oliver at 1200 m elevation in the Foja Mountains. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation Internatio...

Tim Fitzharris / White's Tree Frog (Litoria caerulea) portrait, North America

Michael & Patricia Fogden / White-lipped Tree Frog (Litoria infrafrenata) close up of frog sitting in middle of frond, Karunda State Forest, Queensland, Australia

Gerry Ellis / Australasian Tree Frog (Litoria sp) hanging over edge of leaf, Papua New Guinea

Robert Valentic / Peron's tree frog (Litoria peronii) female, in garden, Melbourne, Australia. April.

Robert Valentic / Dwarf Tree Frog (Litoria fallax) female in ornamental pond in garden, Gatton Queensland, Australia. Summer. Urban Wildlife.

Robert Valentic / Alpine tree frog (Litoria verreauxii alpina) female from alpine meadow habitat, Kiandra in the Snowy Mountains of New South Wales, Australia, summer.

Robert Valentic / Australian lace-lid (Litoria dayi) male, Fishery Falls to the south of Cairns in North Queensland, Australia. Wet season.

Robert Valentic / Australian lace-lid frog (Litoria dayi) male, Fishery Falls to the south of Cairns in North Queensland, Australia. Wet season.

Robert Valentic / Heath or Littlejohn's tree frog (Litoria littlejohni) from riparian heath in the Parma Creek Nature Reserve west of Jervis Bay, New South Wales, Australia.

Robert Valentic / Graceful Tree Frog (Litoria gracilenta) male in garden, Esk in south-eastern Queensland, Australia.

Robert Valentic / Cascade Tree Frog (Litoria pearsoniana) in rainforest near Peachester, Sunshine Coast hinterland, Queensland, Australia.