© John Clarke Conservation groups have declared 2008 the international year of the frog. This campaign aims to highlight the plight of amphibians. Read more about: The Year of the Frog

© ZSL - DS The mountain chicken frog (leptodactylus fallax) is one of the largest frogs in the world. It is estimated that the chytrid fungus caused the species' population to decline by about 70% due to between December 2002 and March 2004. Discover more about the mountain chicken frog

© Jonathan Campbell One advantage of amphibians is that they eat pest insects, benefiting successful agriculture around the world. Find out more about the benefits

© Joe Milmoe Chytridiomycosis is a fungus causing such a threat to amphibians that it is estimated that 500 species need to be taken into captivity to prevent them from dying out.

© Gerry MarantelliA gigantic, ancient relative of the newt, a drawing-pin sized frog, a limbless, tentacled amphibian and a blind see-through salamander have all made it onto a list of the world’s weirdest and most endangered creatures. EDGE Amphibians – the world’s weirdest creatures just got weirder

The Zoological Society of London is working alongside Amphibian Ark (AArk) to save endangered species of amphibians. AArk was founded to carry out an Amphibian Conservation Action Plan (ACAP). Find out more information on Amphibian Ark

The global conservation community has formulated a response in the Amphibian Conservation Action Plan, and an integral part of that response is the Amphibian Ark, in which select species that would otherwise go extinct will be maintained in captivity until they can be secured in the wild. Visit the Amphibian Ark website

© Dirk Petzold One-third to one-half of the world’s approximately 6,000 known amphibian species could go extinct in our lifetime. Discover more about why amphibians are on the danger list.