Chien Lee / Golden Mantella (Mantella aurantiaca) in forest, Andasibe, Madagascar

Chien Lee / Golden Mantella (Mantella aurantiaca), Andasibe, Madagascar

Paul Bertner / Mantellid Frog (Mantidactylus aglavei), Ranomafana National Park, Madagascar

Barrie Britton / Mantellid Frog Tadpoles (Guibemantis species) developing on leaf overhanging pond. Association Mitsinjo Reserve, Andasibe, Madagascar. Photograph taken on location for BBC 'Wild Madagascar' Series,...

Piotr Naskrecki / Malagasy Web-footed Frog (Boophis luteus) clinging to limb, Madagascar

Chris Mattison / Bright-eyed frog (Boophis bottae) on leaf. Ranomafana, Madagascar.

Bernard Castelein / Climbing mantella frog (Mantella laevigata), Marojejy NP, Madagascar

Bernard Castelein / Climbing mantella frog (Mantella laevigata), Marojejy NP, Madagascar

Lorraine Bennery / Marojezy mountain mantella (Mantella manery) frog climbing up stem Marojejy National Park, Madagascar.

Lorraine Bennery / Marojezy mountain mantella (Mantella manery) frog in leaf litter. Marojejy National Park, Madagascar.

Lorraine Bennery / Marojejy green-backed mantella frog (Mantella manery) Marojejy National Park, Madagascar, Vulnerable, endemic.

Nick Garbutt / Tree frog (Spinomantis aglavei) camouflaged against moss. Marojejy National Park, north east Madagascar.