Lucas Bustamante / Tarsier leaf frog (Phyllomedusa tarsius) portrait, on branch, Yasuni National Park, Orellana, Ecuador.

Konrad Wothe / Tarsier leaf frog (Phyllomedusa tarsius) Panguana Reserve, Huanuco province, Amazon basin, Peru.

MORLEY READ / Tropical leaf frog {Phyllomedusa tarsius} Amazonian Ecuador, South America

Pete Oxford / Tropical leaf frog in bromeliad {Phyllomedusa tarsius} Amazonia, Ecuador

Pete Oxford / Tropical leaf frog on palm leaf {Phyllomedusa tarsius} Amazonia, Ecuador

Pete Oxford / Tropical leaf frog defensive posture {Phyllomedusa tarsius} Amazonia, Ecuador

Michael & Patricia Fogden / Brownbelly Leaf Frog (Phyllomedusa tarsius) on bromeliad, rainforest, Costa Rica

PREMAPHOTOS / Trinidad leaf frog (Phyllomedusa trinitatis), considered by some to be the same species as Phyllomedusa tarsius. Tadpoles hatching from eggs laid in a pouch of leaves above water, Trinidad

PREMAPHOTOS / Trinidad leaf frog (Phyllomedusa trinitatis), considered by some to be the same species as Phyllomedusa tarsius. Close-up of male's eye at night, Trinidad

Morley Read / Three Social flycatchers (Myiozetetes similis) perching at the edge of a pond. There is a nest of Warty monkey frog (Phyllomedusa tarsius) in a folded leaf below the birds. Yasuni National Park, Ecuad...