Staffan Widstrand / Wild Wonders of China / Gaoligongshan Tree Frog (Polypedates / Rhacophorus gongshanensis) in fern (Cibotium barometz) Gaoligongshan Mountains, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Gaoligongshan Tree Frog (Polypedates / Rhacophorus gongshanensis) in fern (Cibotium barometz) Gaoligongshan Mountains, Yunnan, China

Tim Laman / Wallace's flying frog (Rhacophorus nigropalmatus) on a tree trunk in the lowland rainforest, Danum Valley Conservation Area, Sabah, Borneo, Malaysia.

Tim Laman / Jade treefrog (Rhacophorus dulitensis) on tree trunk in lowland rainforest , Danum Valley Conservation Area, Sabah, Borneo, Malaysia

John Cancalosi / Sonoran Desert Toad / Colorado River Toad (Bufo alvarius), Sonoran Desert, Arizona, USA