Edwin Giesbers / Red eyed tree frog (Agalychnis callidryas) Costa Rica

Mark Bowler / Red eyed tree frog (Agalychnis callidryas) sitting

Mark Bowler / Red eyed tree frog (Agalychnis callidryas) sitting on bamboo, digital composite Captive

Edwin Giesbers / Common tree frog (Hyla arborea) silhouette viewed through leaf, the Netherlands

Michael D. Kern / Amazon milk frog (Phrynohyas resinifectrix) captive, from South America

Michael D. Kern / Powder blue dart frog (Dendrobates tinctoruis) pair, captive, from Central America

Claudio Contreras / Green spiny landfrog (Eleutherodactylus nortoni), critically endangered, Haiti, captive

Stefan Huwiler / Three Edible Frogs (Rana esculenta) on a log in water. Switzerland, Europe, July.

Stefan Huwiler / Edible Frogs (Rana esculenta) on log in water. Switzerland, Europe, July.

MYN / Marko Masterl / Common frog (Rana temporaria) underwater, Slovenia, Europe, July. meetyourneighbours.net project

MYN / Paul Marcellini / Squirrel tree frog (Hyla squirella) Florida, USA, June. meetyourneighbours.net project

Mark Hamblin / 2020VISION / Common frog (Rana temporaria) in garden pond, Warwickshire, England, UK, March. Did you know? Frogs return to their natal pond using their sense of smell.