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.

Tony Phelps / Marbled reed frog on reed {Hyperolius marmoratus} Mapumalanga, South Africa

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

Christophe Courteau / Reed frog (Hyperolius sp) on water lily, Okavango Delta. Botswana

Cyril Ruoso / Long nosed reed frog (Hyperolius nasutus) Bateke Plateau NP, Gabon.

Chien Lee / Blue Back Frog (Heterixalus madagascariensis), Palmarium Reserve, Madagascar

Edwin Giesbers / Mitchell's reed frog (Hyperolius mitchelli) captive, occurs in Malawi, Mozambique, and Tanzania

Edwin Giesbers / Riggenbach's reed frog (Hyperolius riggenbachi) captive, occurs in Africa. Vulnerable species.

Edwin Giesbers / Riggenbach's reed frog (Hyperolius riggenbachi) captive, occurs in Africa. Vulnerable species.

Piotr Naskrecki / Water Lily Reed Frog (Hyperolius pusillus), Gorongosa National Park, Mozambique

Piotr Naskrecki / Reed Frog (Hyperolius sp), Gorongosa National Park, Mozambique

MYN / Emanuele Biggi / Marbled reed frog (Hyperolius parallelus) adult, Botswana, April. Meetyourneighbours.net project

MYN / Emanuele Biggi / Marbled reed frog (Hyperolius parallelus) adult, Botswana, April. Meetyourneighbours.net project

Cyril Ruoso / Long-nosed Reed Frog (Hyperolius nasutus) male calling, Bateke Plateau National Park, Gabon

Cyril Ruoso / Long-nosed Reed Frog (Hyperolius nasutus), Bateke Plateau National Park, Gabon

Mark Carwardine / Reed / Sedge frog (Hyperolius sp) captive, from Africa

Mark Carwardine / Marbled / Cagle's / Painted reed frog (Hyperolius marmoratus) captive, from rainforests of East Africa

Sergey Gorshkov / Reed frog (Hyperolius sp) Okavango Delta, Botswana

Bert Willaert / Male Baumann's Reed Frog (Hyperolius baumanni) caught and consumed by a huntsman spider. Amedzofe, Ghana.

Bert Willaert / Mating pair of Baumann's Reed Frogs (Hyperolius baumanni). Ghana, October.

Bruno D'Amicis / Trilling / Parker's reed frog (Hyperolius parkeri), Kaffa Zone, Southern Ethiopia, East Africa December 2008

Michael D. Kern / African Reed Frog {Hyperolius sp} captive, from south of sahara Africa

Michael D. Kern / African Reed Frog {Hyperolius sp} captive, from south of sahara Africa

Barry Mansell / Marbled reed frog {Hyperolius marmoratus taeniatus} Natal, South Africa

Pete Oxford / Painted reed frog {Hyperolius sp} Okavango delta, Botswana

Piotr Naskrecki / Long-nosed Reed Frog (Hyperolius nasutus) on stem, Okavango Delta, Botswana

Piotr Naskrecki / Long-nosed Reed Frog (Hyperolius nasutus) clinging to stem, Botswana

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

Piotr Naskrecki / Painted Reed Frog (Hyperolius marmoratus) changing color from darkly patterned to white by contracting or expanding skin cells called chromatophores, white skin reflects sunlight effectively lowering...

Piotr Naskrecki / Painted Reed Frog (Hyperolius marmoratus) clinging to reed, Okavango Delta, Botswana

Piotr Naskrecki / Painted Reed Frog (Hyperolius marmoratus) clinging to stem, Botswana

Piotr Naskrecki / Sierra Leone Reed Frog (Hyperolius chlorosteus) clinging to branch, Guinea, West Africa

Jabruson / Pygmy sedge frog {Hyperolius pusillus} Tsavo NP, Kenya

Tony Phelps / Reed frog on reed {Hyperolius sp} South Africa

Tony Phelps / Marbled reed frog {Hyperolius marmoratus} Mapumalanga, South Africa

Mark Moffett / African Reed Frog (Hyperolius nitidulus) wet skin hardens into shellac and keeps frog glued onto stick through the heat of summer, Ivory Coast temperatures up to 43 degrees Celsius, Ivory Coast, Afric...

Michael & Patricia Fogden / Painted Reed Frog (Hyperolius marmoratus) male calling from seasonal pond, savannah, South Africa

Gerry Ellis / Tinker Reed Frog (Hyperolius tuberilinguis) on Fever Tree bark, Ndumo Game Reserve, South Africa

Gerry Ellis / Argus Reed Frog (Hyperolius argus) juvenile on leaf, Ndumo Game Reserve, South Africa

Gerry Ellis / Painted Reed Frog (Hyperolius marmoratus) on leaf, Ndumo Game Reserve, South Africa

Gerry Ellis / Painted Reed Frog (Hyperolius marmoratus), Ndumo Game Reserve, South Africa

Gerry Ellis / Argus Reed Frog (Hyperolius argus) female portrait, Ndumo Game Reserve, South Africa

Gerry Ellis / Painted Reed Frog (Hyperolius marmoratus) clinging to leaf, Ndumo Game Reserve, South Africa

Michael & Patricia Fogden / Painted Reed Frog (Hyperolius marmoratus) male calling from seasonal pond, savannah, South Africa

Michael & Patricia Fogden / Water Lily Reed Frog (Hyperolius pusillus) male calling to female, seasonal ponds, savannah, South Africa

Michael & Patricia Fogden / Water Lily Reed Frog (Hyperolius pusillus) male calling to female, seasonal ponds, savannah, South Africa

Konrad Wothe / Blue Back Frog (Heterixalus madagascariensis) resting on leaf, eastern Madagascar

David Shale / Pygmy sedge / Translucent reed frog {Hyperolius pusillus} Arabuko Sokoke forest, Kenya

David Shale / Argus reed frog female {Hyperolius argus} Arabuko Sokoke forest, Kenya

David Shale / Argus reed frog female {Hyperolius argus} Arabuko Sokoke forest, Kenya

David Shale / Argus reed frog male {Hyperolius argus} Arabuko Sokoke forest, Kenya

David Shale / Pygmy sedge Translucent reed frog {Hyperolius pusillus} Arabuko Sokoke forest, Kenya

David Shale / Two Argus reed frog males {Hyperolius argus} Arabuko Sokoke forest, Kenya

David Shale / Tinker reed frogs mating on leaf {Hyperolius tuberilinguis} Arabuko Sokoke Forest, Kenya

David Shale / Trilling reed frog on leaf {Hyperolius parkeri} Arabuko Sokoke Forest, Kenya

David Shale / Trilling reed frog on leaf {Hyperolius parkeri} Arabuko Sokoke Forest, Kenya

Piotr Naskrecki / Painted Reed Frog (Hyperolius marmoratus), Gorongosa National Park, Mozambique

Piotr Naskrecki / Argus Reed Frog (Hyperolius argus), Gorongosa National Park, Mozambique

Piotr Naskrecki / Painted Reed Frog (Hyperolius marmoratus), Gorongosa National Park, Mozambique

Chien Lee / Painted Reed Frog (Hyperolius marmoratus) at night, Okavango Delta, Botswana

Thomas Marent / Blue Back Frog (Heterixalus madagascariensis), Ranomafana National Park, Madagascar

Pete Oxford / Marbled reed frog {Hyperolius marmoratus} on leaf, Okavango Delta, Botswana

PREMAPHOTOS / Marbled reed frog (Hyperolius marmoratus) pair in amplexus at night, South Africa

PREMAPHOTOS / Marbled reed frog (Hyperolius marmoratus) male with inflated throat sac, calling at night. South Africa

PREMAPHOTOS / Marbled reed frog (Hyperolius marmoratus) male with inflated throat sac, calling at night. South Africa

PREMAPHOTOS / Marbled reed frog (Hyperolius marmoratus) on a leaf, South Africa

PREMAPHOTOS / Red spotted reed frog (Hyperolius rubrovermiculatus) on lichen-covered log in the Shimba Hills, Kenya

Emanuele Biggi / Marbled reed frog (Hyperolius marmoratus) resting on reeds, Klaserie reserve, South Africa.

Chris Mattison / Developing eggs of Spotted reed frog (Hyperolius puncticulatus) at day 8, just prior to hatching.

Chris Mattison / Spotted reed frog (Hyperolius puncticulatus) sitting on leaf, Tanzania, Africa.

Chris Mattison / Spotted reed frog (Hyperolius puncticulatus) sitting on leaf, Tanzania, Africa.

Chris Mattison / Eggs of Spotted reed frog (Hyperolius puncticulatus), Tanzania, Africa.

Chris Mattison / Spotted reed frog (Hyperolius puncticulatus) amongst reeds, Tanzania, Africa

Chris Mattison / Juvenile Spotted reed frog (Hyperolius puncticulatus), Tanzania, Africa.

Chris Mattison / Juvenile Spotted reed frog (Hyperolius puncticulatus) sitting on petal, Tanzania, Africa

Chris Mattison / Underside of Argus reed frog (Hyperolius argus), against black background, South Africa.

Chris Mattison / Male Argus reed frog (Hyperolius argus), male, sitting on lily pad, South Africa.

Chris Mattison / Female Argus reed frog (Hyperolius argus) sitting on lily pad, South Africa.

Chris Mattison / Male Argus reed frog (Hyperolius argus) sitting on lily pad, South Africa.

Chris Mattison / Marbled reed frog (Hyperolius marmoratus) climbing on leaves, Tanzania, Africa.