Konrad Wothe / Lowland rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.

Lucas Bustamante / Ecuadorian toad (Rhaebo ecuadorensis) on branch, Yasuni National Park, Orellana, Ecuador.

MYN / Andrew Snyder / Smooth-sided toad (Rhaebo guttatus) Chenapau, Guyana. Meetyourneighbours.net project.

MYN / Andrew Snyder / Smooth-sided toad (Rhaebo guttatus) Chenapau, Guyana. Meetyourneighbours.net project.

MYN / Andrew Snyder / Smooth sided toad (Rhaebo guttatus) Surama, Guyana. Meetyourneighbours.net project

Bert Willaert / Truando Toad (Rhaebo / Bufo haematiticus). Ecuador, South America.

Pete Oxford / Smooth-sided Toad (Bufo / Rhaebo guttatus) in rainforest, Iwokrama Reserve, Guyana

MORLEY READ / Toad {Rhaebo / Bufo glaberrimus} Yasuni NP, Ecuador

Pete Oxford / Toad camouflaged against tropical rainforest floor {Bufo guttatus} Iwokrama Reserve, Guyana

Pete Oxford / Blomberg's giant toad on leaf litter {Bufo blombergi} Ecuador

Pete Oxford / Blomberg's giant toad {Bufo blombergi} Ecuador

Joel Sartore / Photo Ark / Truando toad (Rhaebo haematiticus) portrait, Natura Eco Park, Costa Rica. Captive.

Morley Read / Giant Ecuadorian toad (Rhaebo ecuadorensis). Yasuni National Park, Ecuador.