Nature Production / Japanese tree frog (Hyla japonica) hanging from Pumpkin flower, Japan

Nature Production / Japanese tree frog (Hyla japonica) climbing up onto hydrangea leaf, Fukuoka, Japan, August, sequence 1/3

Edwin Giesbers / Common tree frog (Hyla arborea) portrait, the Netherlands

Melvin Grey / Common Tree Frog (Hyla arborea) adult in tree, Kresna Area, Bulgaria

David Pattyn / Common tree frog (Hyla arborea), Kresna gorge area, South West Bulgaria, April

Ingo Arndt / European tree frog (Hyla arborea) sitting on reed, Lake Neusiedl, Austria , April.

Ingo Arndt / European tree frog (Hyla arborea) sitting in reed, Lake Neusiedl, Austria , April.

Juan Carlos Munoz / European tree frog (Hyla arborea) on reed. Shumen, Bulgaria, April.

Juan Carlos Munoz / European tree frog (Hyla arborea) on reed. Shumen, Bulgaria, April.

Tony Wu / Japanese tree frog (Hyla japonica) camouflaged on branch. Kobuchizawa, Ysamanashi Prefecture, Japan.

Cyril Ruoso / Common tree frog (Hyla arborea) on branch, Burgundy. France, April.

Cyril Ruoso / Common tree frog (Hyla arborea) Burgundy, France, April.