Ingo Arndt / Blue poison arrow frogs {Dendrobates azureus} South America

Lucas Bustamante / Anthony's poison-frog (Epipedobates anthonyi) seen through hole in leaf. Buenaventura Reserve, El Oro, Ecuador.

Michael D. Kern / Two Dyeing dart frogs (Dendrobates tinctorius) against background, captive occurs in Guyana, Suriname, Brazil, and French Guiana. Available for on-line use only.

Rod Williams / Yellow-banded Poison Dart Frog (Dendrobates leucomelas) sitting on colourful variegated leaves. Captive, found in Brazil, Guyana, Venezuela

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

Rod Williams / Golden Poison Dart Frog (Phyllobates terribilis) captive, from Colombia, Endangered Species

Edwin Giesbers / Strawberry poison dart / arrow frog (Dendrobates pumilio) on leaf, Costa Rica

Jouan & Rius / Strawberry poison arrow frog (Dendrobates pumilio) in toadstool, rainforest habitat, Costa Rica

Michael D. Kern / Dyeing Poison Dart Frog {Dendrobates tinctorius} captive, from Surinam, South America

Michael D. Kern / Cobalt blue poison dart frog {Dendrobates azureus} captive, Surinam, South America

Juan Manuel Borrero / Poison arrow frog {Dendrobates trivittatus} on Heliconia flower, Tambopata NP, Peru

Mark Payne-Gill / Poison Arrow / Blue Poison Dart frog {Dendrobates azureus} South America

MORLEY READ / Poison arrow frog {Dendrobates / Epipedobates bilinguis} Yasuni NP, Ecuador

Rod Williams / Dyeing poison arrow frog {Dendrobates tinctorius} sitting on leaf. Captive.

Pete Oxford / Poison arrow frog guarding its eggs {Epipedobates tricolor} Ecuador

Doug Wechsler / Phantasmal poison arrow frog {Epipedobates tricolor} in cloud forest, El Oro, Ecuador

Pete Oxford / Poison arrow frog {Dendrobates histrionicus} Western Ecuador

Pete Oxford / Poison Arrow Frog (Epipedobates tricolor) Ecuador Amazon South-America. colourful.

Barry Mansell / Blue poison arrow frog {Dendrobates azureus} occurs South America

Mark Payne-Gill / Blue Poison Arrow Frog {Dendrobates azureus}

Pete Oxford / Harlequin Poison Arrow Frog {Dendrobates histrionicus} Ecuador

Lucas Bustamante / Three Strawberry poison frogs (Oophaga pumilio) on rock, Sarapiqui, Heredia, Costa Rica.

Ingo Arndt / Poison arrow frog {Dendrobates tricolor} captive, from South America

Ingo Arndt / Strawberry poison arrow frog {Dendrobates pumilio} Costa Rica

Ingo Arndt / Strawberry poison arrow frog {Dendrobates pumilio} Costa Rica

Ingo Arndt / Strawberry poison arrow frog {Dendrobates pumilio} South America

Ingo Arndt / Strawberry poison arrow frog in water inside Bromeliad plant (Dendrobates pumilio) South America

Ingo Arndt / Blue poison arrow frogs {Dendrobates azureus} South America

Alex Hyde / Strawberry poison frog (Oophaga pumilio) photographed on a white background in mobile field studio, Central Caribbean foothills, Costa Rica

Alex Hyde / Green and black poison frog (Dendrobates auratus) Central Caribbean foothills, Costa Rica

Alex Hyde / Granular poison frog (Oophaga granulifera) Osa Peninsula, Costa Rica. Vulnerable IUCN Red List species.

Lucas Bustamante / Amazonian poison-frog (Ranitomeya ventrimaculata) tadpoles on male's back, Yasuni National Park, Orellana, Ecuador.

Denis-Huot / Granulated poison dart frog (Dendrobates granuliferus) Las Tardes, Costa Rica

Denis-Huot / Granular Poison Frog (Dendrobates granuliferus) Corcovado National Park, Costa Rica, Vulnerable species

Rod Williams / Blue Poison Dart Frog (Dendrobates azureus / tinctorius) captive from South America

John Cancalosi / Strawberry poison-dart frog, (Oophaga pumilio / Dendrobates pumilio), Costa Rica

Chris Mattison / Harlequin poison dart frog (Oophaga histrionica), captive, occurs in Ecuador

Kim Taylor / Black-and-green poison dart frog (Dendrobates auratus) in rainforest, Costa Rica

Kim Taylor / Strawberry poison dart frog (Oophaga / Dendrobates pumilio) male calling, Costa Rica

Konrad Wothe / Strawberry Poison arrow frog calling (Dendrobates pumilio) Costa Rica

Rod Williams / Golden poison dart frog (Phyllobates terribilis) with throat pouch / vocal sacs expanded. Captive occurs Colombia. Endangered species

Roland Seitre / Kokoe Poison Dart Frog (Phyllobates aurotaenia). Cali Zoo, Cali, Colombia.

Roland Seitre / Kokoe Poison Dart Frog (Phyllobates aurotaenia). Cali Zoo, Cali, Colombia.

Roland Seitre / Golden Poison Dart Frogs (Phyllobates terribilis), one of the most toxic frogs in the world. Captive. Cali Zoo, Cali, Colombia.

Roland Seitre / Yellow-striped / Magdalena Poison Dart Frog (Dendrobates truncatus) tadpole in petri dish. Cali Zoo, Cali, Colombia 2010. Growth development Sequence 3 of 3. With front and back legs

Roland Seitre / Yellow-striped / Magdalena Poison Dart Frog (Dendrobates truncatus) tadpole in petri dish. Cali Zoo, Cali, Colombia 2010. Growth development Sequence 2 of 3. With back legs

Roland Seitre / Yellow-striped / Magdalena Poison Dart Frog (Dendrobates truncatus) tadpole in petri dish. Cali Zoo, Cali, Colombia 2010. Growth Development Sequence 1 of 3.

Roland Seitre / Golden Poison Frog (Phyllobates terribilis), one of the most poisonous frogs in the world. Captive. Cali Zoo, Cali, Colombia.

Roland Seitre / Black-legged Poison (Phyllobates bicolor), captive. Biopark reserve, Cota, Bogota, Colombia, January 2010.

Roland Seitre / Golden Poison Dart Frog (Phyllobates terribilis), one of the most poisonous frogs in the world. Endangered, captive. Cali Zoo, Cali, Colombia.

Roland Seitre / Lehmann's Poison Dart Frog (Oophaga lehmanni), critically endangered species. Captive. Biopark reserve, Cota, Bogota, Colombia, January 2010.

Roland Seitre / Golden Poison Dart Frog (Phyllobates terribilis), one of the most poisonous frogs in the world. Endangered. Cali Zoo, Cali, Colombia, January 2010.

Sue Flood / Strawberry poison arrow frog (Dendrobates pumlilo) at Laguno de Lagartos, Boca Tapada, Costa Rica

Roland Seitre / Vicente's poison frog (Oophaga / Dendrobates vicentei) El Valle Amphibian Conservation Center, Panama, Central America

Roland Seitre / Conservation officer carries out leg surgery on a Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) at the El Valle Amphibian Conservation Center, Panama, Central America, March 2008...

Roland Seitre / Conservation officer administers anti-parasite treatment to Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) at the El Valle Amphibian Conservation Center, Panama, Central America,...

Roland Seitre / Conservation officer administers anti-parasite treatment to Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) at the El Valle Amphibian Conservation Center, Panama, Central America,...

Roland Seitre / Conservation officer administers anti-parasite treatment to Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) at the El Valle Amphibian Conservation Center, Panama, Central America,...

Roland Seitre / Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) female with eggs, El Valle Amphibian Conservation Center, Panama, Central America, March 2008, Critically endangered species

Roland Seitre / Veterinary officer, Eric Baitchman, and Conservation officer, Heidi Griffith, examining female Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) at frog breeding station, El Valle Am...

Roland Seitre / Conservation officer demonstrates Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) female with eggs, El Valle Amphibian Conservation Center, Panama, Central America, March 2008, Cri...

Roland Seitre / Conservation officer, Heidi Griffith, holds Panamanian golden frog / Golden arrow poison frog (Atelopus zeteki) at frog breeding station, El Valle Amphibian Conservation Center, Panama, Central Americ...

Rod Williams / Strawberry poison dart frog (Dendrobates pumilio) captive, from Central America

Rod Williams / Yellow-banded Poison Dart Frog (Dendrobates leucomelas). Captive. Endemic to Brazil, Guyana, Venezuela. UK, September.

Luiz Claudio Marigo / Yellow-striped Arrow-poison Frog (Dendrobates truncatus). Tayrona National Natural Park, municipality of Santa Marta, Magdalena Department, Colombia.

Luiz Claudio Marigo / Yellow-striped Arrow-poison Frog (Dendrobates truncatus) in the Caribbean Coastal Tropical Rainforest of Tayrona National Natural Park, municipality of Santa Marta, Magdalena Department, Colombia.

Rod Williams / Dyeing Poison Dart Frog (Dendrobates tinctorius) in fallen leaves. Captive. Occurs the Guianas, Brazil.

Rod Williams / Strawberry poison dart frog (Dendrobates pumilio) vocalising, captive, from Central America, yellow colour variation

Pete Oxford / Yellow-banded poison dart frog (Dendrobates leucomelas) in rainforest, Surama, Guyana

Rod Williams / Yellow-banded Poison Dart Frog (Dendrobates leucomelas) moving over leaf litter. Captive, found in Brazil, Guyana, Venezuela

Michael D. Kern / Poison dart frog (dendrobates tinctorius) captive, from Central America

Michael D. Kern / Poison dart frog (Phyllobates vittatus) captive, from Central America

Michael D. Kern / Cobalt blue poison dart frog (Dendrobates azureus) captive, from Central America

Michael D. Kern / Cobalt blue poison dart frog (Dendrobates azureus) captive, from Central America

Michael D. Kern / Poison arrow frog (Dendrobates pumilio -bastimentos) gold dust morph, captive, from Central America

Michael D. Kern / Strawberry poinson dart frog (Dendrobates pumilio bastimentos) orange morph, captive, from Central America

Michael D. Kern / Poison dart frog (Dendrobates imitator) captive, from Central America

Michael D. Kern / Golden poison dart frog (Phyllobates terribilis) captive, from Central America

Michael D. Kern / White oyapak poison dart frog (Dendrobates tinctorius) captive, from Central America

Michael D. Kern / Yellow banded / bumble bee poison dart frog (dendrobates leucomelas) captive, from Central america

Michael D. Kern / Strawberry poison arrow frog (Dendrobates pumilio bastimentos) captive, from Central America

Michael D. Kern / Suriname cobalt poison dart frog (Dendrobates tinctoruis) captive, from Central America

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Close-up of Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

Robert Thompson / Black legged poison dart frog {Phyllobates bicolor} resting on leaf, Costa Rica, June

Robert Thompson / Kokoe poison dart frog {Phyllobates aurotaenia} resting on red leaf, Costa Rica, June

Robert Thompson / Black legged poison dart frog {Phyllobates bicolor} resting on leaf, Costa Rica, June

Robert Thompson / Poison arrow frog {Dendrobates auratus} Costa Rica, June

Robert Thompson / Poison arrow frog {Dendrobates auratus} Costa Rica, June

Stephen Dalton / Green poison dart frog (Dendrobates auratus) carrying tadpole on its back, Costa Rica

Rod Williams / Golden poison dart frog (Phyllobates terribilis) on wood, captive, from SW Columbia, endangered species

Rod Williams / Golden poison dart frog (Phyllobates terribilis) on tree, captive, occurs SW Colombia, endangered species