Chien Lee / Ecuadorian Toad-headed Pit-viper (Bothrocophias campbelli) in rainforest, Mashpi Amagusa Reserve, Pichincha, Ecuador

Chien Lee / Condoto Stubfoot Toad (Atelopus spurrelli), Utria National Park, Colombia

Lucas Bustamante / Rio pescado harlequin toad (Atelopus balios) pair on branch, female on the left, Azuay, Ecuador, Critically endangered species, possibly extinct.

Brian Bevan / Surinam horned frog (Ceratophrys cornuta) eating a locust, UK. Captive, native to the Americas.

Agustin Esmoris / Yellow Cururu Toad (Rhinella icterica), Argentina

Alastair MacEwen / Time-lapse of toadspawn from a Common toad (Bufo bufo) developing, emerging and feeding on nutrient jelly, Somerset, England, UK, April.

John Waters / Underwater view of a group of Common toads (Bufo bufo) in a mating ball in a pond, Priddy, Somerset, England, UK, March.

John Waters / Underwater view of a group of Common toads (Bufo bufo) spawning in a pond, some in amplexus, with spawn, Priddy, Somerset, England, UK, March.

John Waters / Group of Common toads (Bufo bufo) in a mating ball in a pond, Priddy, Somerset, England, UK, March.

John Waters / Group of Common toads (Bufo bufo) in a mating ball in a pond, Priddy, Somerset, England, UK, March.

Ingo Arndt / Common toad (Bufo bufo) eggs close up.

Ingo Arndt / Close up of webbed foot of Surinam toad {Pipa pipa}