Pete Oxford / Leaffrogs in tropical rainforest, Yasuni NP, Ecuador (Agalychnis craspedopus) South America

Morley Read / Close-up of Leaf frog (Cruziohyla craspedopus) tadpoles developing within an egg membrane, blood is circulating in the gills. Pastaza Province, Ecuador. (non-ex)

Morley Read / Close-up of Leaf frog (Cruziohyla craspedopus) tadpoles developing within an egg membrane, blood is circulating in the gills. Pastaza Province, Ecuador. (non-ex)

Morley Read / Leaf frog (Cruziohyla craspedopus) blinking its eyes, Amazon rainforest, Napo Province, Ecuador. (non-ex)

Morley Read / Two Leaf frogs (Cruziohyla craspedopus), with a rainforest stream in background, Napo Province, Ecuador. (non-ex)

Morley Read / Two Leaf frogs (Cruziohyla craspedopus), with a rainforest stream in background, Napo Province, Ecuador. (non-ex)

Morley Read / Leaf frog (Cruziohyla craspedopus) landing on a leaf in the rainforest understory, Napo Province, Ecuador. (non-ex)

Morley Read / Slow motion clip of a Leaf frog (Cruziohyla craspedopus) jumping from a leaf, Amazon rainforest, Ecuador. (non-ex)

Morley Read / Slow motion clip of a Leaf frog (Cruziohyla craspedopus) walking, Ecuador. (non-ex)

Morley Read / Slow motion clip of a Leaf frog (Cruziohyla craspedopus) leaping, Ecuador. (non-ex)

Melvin Grey / Splendid leaf frog (Cruziohyla calcarifier) male Atlantic Lowland Rainforest, Costa Rica. Controlled conditions.

Melvin Grey / Splendid leaf frog (Cruziohyla calcarifier) male Atlantic Lowland Rainforest, Costa Rica. Controlled conditions.