Lucas Bustamante / Troschel's tree frog / Calcar tree / Convict tree frog (Hypsiboas calcaratus) portrait, on leaf, Cuyabeno, Sucumbios, Ecuador.

Lucas Bustamante / Imbabura tree frog (Hypsiboas picturatus) portrait, Canande, Esmeraldas, Ecuador.

Edwin Giesbers / Imbabura treefrog (Hypsiboas picturatus) viewed from above, in Colombia and Ecuador.

Gabriel Rojo / White-banded tree-frog (Hypsiboas pulchellus) with Ladybird (Coccinellidae) Calden forest, La Pampa, Argentina

Pete Oxford / Imbabura Treefrog (Hypsiboas picturatus). Captive. Choc Region of north west Ecuador.

Pete Oxford / Chachi Tree Frog (Hypsiboas picturatus), northwest Ecuador

Phil Savoie / Rainforest tree frog on leaf, Ecuador, South America

Pete Oxford / Chachi tree frog {Hyla picturata} Choco forest, Ecuador

Pete Oxford / Chachi Tree Frog (Hyla picturata), Choco Rainforest, threatened habitat, northwestern Ecuador

Michael & Patricia Fogden / Canal Zone Treefrog (Hypsiboas rufitelus) rainforest, Costa Rica

Pete Oxford / Chachi Tree Frog (Hyla picturata), Cotacachi-Cayapas Reserve, Ecuador

Pete Oxford / Chachi Tree Frog (Hyla picturata) portrait, Cotacachi-Cayapas Reserve, Ecuador