Pete Oxford / Marsupial Frog (Gastrotheca riobambae) tadpole hind legs, Andes, Ecuador

Pete Oxford / Marsupial frog {Gastrotheca riobambae} captive, from Ecuador

Thomas Marent / Tree Frog (Gastrotheca ruizi), Colon, Colombia

Thomas Marent / Tree Frog (Gastrotheca ruizi) foot, Colon, Colombia

Rod Williams / Marsupial tree frog {Gastrotheca marsupiata} captive, from Ecuador

Pete Oxford / Marsupial frog (Gastrotheca plumbea) Andes, Ecuador

Michael & Patricia Fogden / Pygmy Marsupial Frog (Flectonotus pygmaeus) female carrying eggs in her pouch, Venezuela

Pete Oxford / Marsupial frog {Gastrotheca riobambae} captive, Ecuador

Pete Oxford / Marsupial frog {Gastrotheca riobambae} camouflaged on lichen covered branch, Andes, Ecuador

Pete Oxford / Marsupial frog {Gastrotheca plumbea} Ecuador

Pete Oxford / Two Riobamba marsupial frogs {Gastrotheca riobambae} captive, Quito, Ecuador, Endangered

Pete Oxford / Marsupial froglet climbing up leaf {Gastrotheca sp} Ecuador