Pete Oxford / San Lucas marsupial frog (Gastrotheca pseustes) base of Chimborazo Volcano (Highest mountain in Ecuador), Andes, Ecuador, South America - endemic to Ecuador, endangered species.

Pete Oxford / Marsupial frog {Gastrotheca orophylax} Cloudforest, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca orophylax) in cloud the forest, Ecuador

Roland Seitre / Rear detail of Marsupial treefrog (Gastrotheca cornuta) showing pouch of female, El Valle Amphibian Conservation Center, Panama, Central America

Roland Seitre / Marsupial treefrog (Gastrotheca cornuta) female, El Valle Amphibian Conservation Center, Panama, Central America

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

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

Pete Oxford / Marsupial Frog (Gastrotheca riobambae) on white background, Andes, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca riobambae) in bromeliad, Andes, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca turnerorum), a newly discovered species, Podocarpus National Park, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca turnerorum), a newly discovered species, Podocarpus National Park, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca turnerorum), a newly discovered species, Podocarpus National Park, Ecuador