Nick Garbutt / Emerald Glass Frog (Centrolenella proseblepan) on leaf. Mid-altitude rainforest, Bosque de Paz, Pacific slope, Costa Rica, Central America.
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Pete Oxford / Portrait of an Emerald Glass Frog (Espadarana / Centrolenella prosoblepon). Captive. Choc Region of northwest Ecuador.
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Lucas Bustamante / Emerald glass frog (Espadarana prosoblepon) portrait, sitting on leaf, Buenaventura Reserve, Pinas, El Oro, Ecuador.
Phil Savoie / Nicaragua Giant Glass Frog (Espadarana prosoblepon aka Centrolene prosoblepon) La Selva Field Station, Costa Rica.
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Phil Savoie / Nicaragua giant glass frog (Espadarana prosoblepon) La Selva Field Station, Costa Rica.
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Phil Savoie / Nicaraguan giant glass frog (Espadarana prosoblepon) La Selva Field Station, Costa Rica.
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Melvin Grey / Emerald glass frog (Espadarana prosoblepon) adult male, showing the humeral spine on its upper arm, Mindo, Ecuador. June.
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Melvin Grey / Emerald glass frog (Espadarana prosoblepon) adult male, showing the humeral spine on its upper arm, Mindo, Ecuador. June.
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Melvin Grey / Emerald glass frog (Espadarana prosoblepon) adult male, showing the humeral spine on its upper arm, Mindo, Ecuador. June.
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Nick Garbutt / Emerald Glass Frog (Centrolenella proseblepan) on leaf. Mid-altitude rainforest, Bosque de Paz, Pacific slope, Costa Rica, Central America.
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Jen Guyton / Emerald glass frog (Espaderana prosoblepon) at Las Cruces Biological Station, Costa Rica.
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Jen Guyton / Emerald glass frog (Espaderana prosoblepon) at Las Cruces Biological Station, Costa Rica.
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Jen Guyton / Emerald glass frog (Espaderana prosoblepon) at Las Cruces Biological Station, Costa Rica.
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Jen Guyton / Emerald glass frog (Espaderana prosoblepon) at Las Cruces Biological Station, Costa Rica.
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Jen Guyton / Emerald glass frog (Espaderana prosoblepon) at Las Cruces Biological Station, Costa Rica.
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Chris Mattison / Emerald glass frog (Centrolenella prosoblepon) Bosque de Paz, Central Highlands, Costa Rica. Note the humeral spines, present only in males, which identifies this species.
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Chris Mattison / Emerald glass frog (Centrolenella prosoblepon) male, with humeral spines (which help identify this species) visible. Bosque de Paz, Central Highlands, Costa Rica.
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Chris Mattison / Emerald glass frog (Centrolenella prosoblepon) male, with humeral spines (which help identify this species) visible. Bosque de Paz, Central Highlands, Costa Rica.
Doug Wechsler / Emerald glass frog underside {Centrolenella prosoblepon} Rio San Carlos, Costa Rica
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Doug Wechsler / Emerald glassfrog female {Centrolenella prosoblepon} Costa Rica Rio San Carlos
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Chien Lee / Emerald Glass Frog (Centrolene prosoblepon) male showing humeral spines for intraspecific combat, Mindo, Ecuador
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Greg Basco/ BIA / Emerald Glass Frog (Centrolene prosoblepon) on Heliconia (Heliconia sp), Costa Rica
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Greg Basco/ BIA / Emerald Glass Frog (Centrolene prosoblepon) on leaf ribs, Costa Rica
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Emanuele Biggi / Emerald glass frog (Espadarana prosoblepon) resting on leaf in cloud forest and looking around, Panama.
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Emanuele Biggi / Emerald glass frog (Espadarana prosoblepon) resting on leaf in cloud forest and looking around, Panama.
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Emanuele Biggi / Emerald glass frog (Espadarana prosoblepon) sitting on leaf, Sierpe, Costa Rica.
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Roman Willi / RF - Emerald glass frog (Espadarana prosoblepon) resting on leaf, Osa Peninsula, Costa Rica. (This image may be licensed either as rights managed or royalty free.)
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Lucas Bustamante / Emerald glassfrog (Espadarana prosoblepon) resting over edge of leaf, Junin, Imbabura, Ecuador.
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Lucas Bustamante / Emerald glassfrog (Espadarana prosoblepon) resting on leaf, Junin, Imbabura, Ecuador.
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Guy Edwardes / Emerald glass frog (Centrolene prosoblepon) sitting in flower folds of ginger (Zingiber) plant in cloud forest. Costa Rica.
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Guy Edwardes / Emerald glass frog (Centrolene prosoblepon) on underside of rainforest leaf, Cloud Forest, Costa Rica, Central America.
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Karine Aigner / Portrait of a male Emerald glass frog (Espadarana prosoblepon) Ecuador.
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Karine Aigner / Portrait of a male Emerald glass frog (Espadarana prosoblepon) Ecuador.