Michael & Patricia Fogden / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) on Heliconia (Heliconia stricta), Amazon rainforest, Peru

Claus Meyer / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, portrait, Amazon ecosystem, Brazil

Claus Meyer / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) waving, Amazon rainforest, Brazil

Pete Oxford / Treefrog on undesrtorey palm frond, River Napo Amazon Basin, Ecuador

Morley Read / Brown-banded water snake (Helicops angulatus) swallowing a Basin treefrog (Boana lanciformis) in a pool full of tadpoles in rainforest, Orellana Province, Ecuador. (non-ex)

Morley Read / Brown-banded water snake (Helicops angulatus) swallowing a Basin treefrog (Boana lanciformis) in a pool full of tadpoles in rainforest, Orellana Province, Ecuador. (non-ex)

Konrad Wothe / Snouted treefrog (Scinax sp.) Panguana Reserve, Huanuco province, Amazon basin, Peru.

Konrad Wothe / Sarayacu treefrog (Dendropsophus parviceps) in lowland rainforest, Panguana Reserve, Huanuca province, Amazon basin, Peru.

Konrad Wothe / Gunther's banded tree frog (Hypsiboas fasciatus) Panguana Reserve, Huanuco province, Amazon basin, Peru.

Konrad Wothe / Gunther's banded tree frog (Hypsiboas fasciatus) Panguana Reserve, Huanuco province, Amazon basin, Peru.

Konrad Wothe / Gunther's banded tree frog (Hypsiboas fasciatus) Panguana Reserve, Huanuco province, Amazon basin, Peru.

Konrad Wothe / Gunther's banded tree frog (Hypsiboas fasciatus) Panguana Reserve, Huanuco province, Amazon basin, Peru.

Konrad Wothe / Frog (Dendropsophus leucophyllatus) Panguana Reserve, Huanuco province, Amazon basin, Peru.

Cyril Ruoso / Manaus Slender-legged Treefrog (Osteocephalus taurinus) in rainforest, Pacaya Samiria National Park, Peru

Cyril Ruoso / Manaus Slender-legged Treefrog (Osteocephalus taurinus) in rainforest, Pacaya Samiria National Park, Peru

Pete Oxford / Marbled Tree Frog (Hyla marmorata) camouflaged on tree, Yasuni National Park, Amazon Rainforest, Ecuador

Pete Oxford / Ecuador Slender-legged Treefrog (Osteocephalus verruciger), Yasuni National Park, Amazon Rainforest, Ecuador

Pete Oxford / Eirunepe Snouted Treefrog (Scinax garbei), Yasuni National Park, Amazon Rainforest, Ecuador

Pete Oxford / Yasuni Treefrog (Osteocephalus yasuni), Yasuni National Park, Amazon, Ecuador

Pete Oxford / Tree Frog (Osteocephalus sp), Yasuni National Park, Amazon, Ecuador

Pete Oxford / Map Treefrog (Hyla geographica) froglet on leaf, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Marbled Tree Frog (Hyla marmorata), Napo River, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Marbled Tree Frog (Hyla marmorata) camouflaged on bark, Napo River, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Polka-dot Treefrog (Hypsiboas punctatus), Napo River, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Marbled Tree Frog (Hyla marmorata), Napo River, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Demerara Falls Tree Frog (Hypsiboas cinerascens), Napo River, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Demerara Falls Tree Frog (Hypsiboas cinerascens), Napo River, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Tree Frog (Hypsiboas sp), Napo River, Yasuni National Park, Amazon, Ecuador

Murray Cooper / Demerara Falls Tree Frog (Hypsiboas cinerascens) camouflaged on leaf, Amazon, Ecuador

Murray Cooper / Demerara Falls Tree Frog (Hypsiboas cinerascens) camouflaged on leaf, Amazon, Ecuador

Murray Cooper / Tiger-striped Leaf Frog (Phyllomedusa tomopterna), Amazon, Ecuador

Murray Cooper / Tree Frog (Phyllomedusa hulli) on moss, Amazon, Ecuador

Murray Cooper / Buckley's Slender-legged Treefrog (Osteocephalus buckleyi), Amazon, Ecuador

Pete Oxford / Marbled Tree Frog (Hyla marmorata) portrait, close-up, front view, Amazon rainforest, Ecuador

Pete Oxford / Shreve's Sarayacu Treefrog (Hyla sarayacuensis), Amazon rainforest, Ecuador

Pete Oxford / Marbled Tree Frog (Hyla marmorata) flattened tree with lichen, can change color for camouflage, Amazon rainforest, Ecuador

Pete Oxford / Blue-flanked Tree Frog (Hyla calcarata) on tree trunk, Amazon rainforest, Ecuador

Claus Meyer / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, portrait, Amazon ecosystem, Brazil

Michael & Patricia Fogden / Johnson's Horned Treefrog (Hemiphractus johnsoni) in threat display, Amazon, Peru

Claus Meyer / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, portrait, Amazon ecosystem, Brazil

Claus Meyer / Chaco Tree Frog (Hyla raniceps), Amazon, Brazil

Michael & Patricia Fogden / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, in Amazon rainforest, Ecuador

Pete Oxford / Broad-headed Tree Frog (Phrynohyas resinifictrix) inflating air sacs as defensive behavior, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Broad-headed Tree Frog (Phrynohyas resinifictrix) portrait, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Broad-headed Tree Frog (Phrynohyas resinifictrix) on tree branch, Yasuni National Park, Amazon, Ecuador

Michael & Patricia Fogden / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, portrait, Amazon rainforest, Ecuador

Michael & Patricia Fogden / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, portrait, Amazon rainforest, Ecuador

Michael & Patricia Fogden / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, portrait, Amazon rainforest, Ecuador

Michael & Patricia Fogden / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) climbing on Heliconia (Heliconia stricta), Amazon rainforest, Ecuador

Cyril Ruoso / Tree Frog (Dendropsophus sp), Amazon, Peru

Pete Oxford / Marbled Tree Frog (Hyla marmorata), Yasuni National Park, Amazon Rainforest, Ecuador

Pete Oxford / Ecuador Slender-legged Treefrog (Osteocephalus verruciger), Yasuni National Park, Amazon Rainforest, Ecuador

Pete Oxford / Tree Frog (Osteocephalus sp), Yasuni National Park, Amazon, Ecuador

Pete Oxford / Tree Frog (Osteocephalus sp), Yasuni National Park, Amazon, Ecuador

Pete Oxford / Marbled Tree Frog (Hyla marmorata) flattened tree with lichen, can change color for camouflage, Amazon rainforest, Ecuador

Claus Meyer / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, portrait, Amazon ecosystem, Brazil

Joel Sartore / Photo Ark / Peruvian gladiator frog (Boana lanciformis) portrait, from the wild, Centro de Rescate Amazonico, Peru.

Joel Sartore / Photo Ark / Peruvian gladiator frog (Boana lanciformis) portrait, from the wild, Centro de Rescate Amazonico, Peru.

Joel Sartore / Photo Ark / Basin treefrog (Boana lanciformis) portrait, from the wild near Manaus, Brazil. Captive.

Maxime Aliaga / Linnaeus' Sipo snake (Chironius exoletus) eating Basin tree frog (Boana lanciformis). Pilcopata, near Manu National Park, Peru.

Morley Read / Male Tetete treefrog (Boana tetete) calling in the rainforest understory, Napo province, Ecuador. A rare species known only from few sites in the Amazon basin of Ecuador and Peru, IUCN vulnerable spec...

Morley Read / Portrait of male Tetete treefrog (Boana tetete) calling in the rainforest understory, Napo province, Ecuador. A rare species known only from few sites in the Amazon basin of Ecuador and Peru, IUCN vul...

Morley Read / Metamorphosing froglet of the Quacking river frog (Boana lanciformis) still with tail. Yasuni National Park, Ecuador.