Nick Garbutt / Emerald Glass Frog (Centrolenella proseblepan) on leaf. Mid-altitude rainforest, Bosque de Paz, Pacific slope, Costa Rica, Central America.

Pete Oxford / Portrait of an Emerald Glass Frog (Espadarana / Centrolenella prosoblepon). Captive. Choc Region of northwest Ecuador.

Lucas Bustamante / Emerald glass frog (Espadarana prosoblepon) portrait, sitting on leaf, Buenaventura Reserve, Pinas, El Oro, Ecuador.

Lucas Bustamante / Emerald glass frog (Espadarana prosoblepon) pair mating, Mindo, Pichincha, Ecuador.

Phil Savoie / Nicaragua Giant Glass Frog (Espadarana prosoblepon aka Centrolene prosoblepon) La Selva Field Station, Costa Rica.

Phil Savoie / Nicaragua giant glass frog (Espadarana prosoblepon) La Selva Field Station, Costa Rica.

Phil Savoie / Nicaraguan giant glass frog (Espadarana prosoblepon) La Selva Field Station, Costa Rica.

Phil Savoie / Nicaraguan giant glass frog (Espadarana prosoblepon) La Selva Field Station, Costa Rica.

Phil Savoie / Nicaraguan giant glass frog (Espadarana prosoblepon) La Selva Field Station, Costa Rica.

Phil Savoie / Nicaraguan giant glass frog (Espadarana prosoblepon) La Selva Field Station, Costa Rica.

Phil Savoie / Nicaraguan giant glass frog (Espadarana prosoblepon) La Selva Field Station, Costa Rica.

Phil Savoie / Nicaraguan giant glass frog (Espadarana prosoblepon) La Selva Field Station, Costa Rica.