Piotr Naskrecki / Painted Reed Frog (Hyperolius marmoratus) being eaten by Fishing Spider (Pisauridae), Gorongosa National Park, Mozambique

Neil Aldridge / Angolan reed frog (Hyperolius parallelus) resting on a reed stem in the heart of the Okavango Delta, northern Botswana.

Cyril Ruoso / Tropical frog (Hyperolius sp) trying to climb onto leaf, Bateke Plateau NP, Gabon.

Chris Mattison / Spotted reed frog (Hyperolius pucticulatus) tadpoles, captive, endemic to Tanzania.

Piotr Naskrecki / Yellow-spotted Tree Frog (Leptopelis flavomaculatus), Gorongosa National Park, Mozambique

Piotr Naskrecki / Pygmy Leaf-folding Frog (Afrixalus vibekensis), Atewa Range, Ghana

Ch'ien Lee / White-spotted Reed Frog (Heterixalus alboguttatus), Ranomafana National Park, Madagascar

Jen Guyton / Bubbling kassina (Kassina senegalensis) on white background, Greater Gorongosa Ecosystem, Mozambique. Controlled conditions.

Jen Guyton / Green reed frog (Hyperolius tuberilinguis) from the Greater Gorongosa Ecosystem, Mozambique. Controlled conditions.

Daniel Heuclin / Man holding a large Goliath frog (Conraua goliath) and small Banana frog (Afrixalus sp) for size comparison, Sanaga, Cameroon. Hunted for bushmeat / food

Daniel Heuclin / Man holding a Goliath frog (Conraua goliath) and Banana frog (Afrixalus sp) Sanaga, Cameroon. Hunted for bushmeat / food

Paul Bertner / Peacock Tree Frog (Leptopelis vermiculatus), Amani Nature Reserve, Tanzania