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

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

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

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

Paul Bertner / Spotted Madagascar Reed Frog (Heterixalus punctatus) eye, Andasibe-Mantadia National Park, Antananarivo, Madagascar

Cyril Ruoso / Annually flooded area, an ideal habitat for Oregon spotted frog (Rana pretiosa) to reproduce. Conboy Lake National Wildlife Refuge, Washington, USA

Piotr Naskrecki / Ivory Coast Running Frog (Kassina arboricola), Atewa Range Forest Reserve, Atewa Range, Ghana

Thomas Marent / Spotted Madagascar Reed Frog (Heterixalus punctatus), Andasibe-Mantadia National Park, Madagascar

Thomas Marent / Spotted Madagascar Reed Frog (Heterixalus punctatus), Andasibe-Mantadia National Park, Madagascar

Thomas Marent / Spotted Madagascar Reed Frog (Heterixalus punctatus), Andasibe-Mantadia National Park, Madagascar

Thomas Marent / Spotted Madagascar Reed Frog (Heterixalus punctatus), Andasibe-Mantadia National Park, Madagascar

Piotr Naskrecki / Painted Reed Frog (Hyperolius marmoratus) portrait, Okavango Delta, Botswana