Mary McDonald / Montezuma's Oropendola (Psarocolius oropendola)perched on a Palm frond, calling, Arenal Observatory Lodge, Arenal Volcano, Costa Rica.
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Martin Gabriel / Arenal Volcano at sunset, clouds mixing with smoke, Costa Rica, February 2009
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Martin Gabriel / Arenal Volcano with crown of clouds around the summit at sunrise, La Fortuna, Costa Rica, February 2009
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Melvin Grey / Milk frog (Trachycephalus typhonius), this species produces irritating secretions. Arenal, Pacific lowlands, Costa Rica
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Melvin Grey / Mangrove tree boa (Corallus ruschenbergerii) Arenal, Costa Rica.
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Chris Mattison / Masked tree frog (Smilisca phaeota) pair in amplexus, El Arenal region, Costa Rica.
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Chris Mattison / Nocturnal wandering spider (Cupiennius getazi) El Arenal region, Costa Rica.
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Chris Mattison / Nocturnal wandering spider (Cupiennius getazi) El Arenal region, Costa Rica.
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Chris Mattison / Red-eyed tree frog (Agalychnis callidryas) El Arenal, Costa Rica
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Chris Mattison / Masked tree frog (Smilisca phaeota) El Arenal region, Costa Rica.
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Chris Mattison / Masked tree frog (Smilisca phaeota) El Arenal region, Costa Rica.
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Chris Mattison / Red-eyed tree frog (Agalychnis callidryas) pair in amplexus, El Arenal, Costa Rica
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Chris Mattison / Red-eyed leaf frog (Agalychnis callidryas) pair in amplexus El Arenal, Costa Rica
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Chris Mattison / Red-eyed tree frog (Agalychnis callidryas) swallowing a spider. El Arenal, Costa Rica
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Chris Mattison / Red-eyed tree frog (Agalychnis callidryas) swallowing a spider. El Arenal, Costa Rica
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Hiroya Minakuchi / Cloud forest canopy, Arenal Volcano, Costa Rica
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Hiroya Minakuchi / Tree covered with epiphytes in cloud forest, Arenal Volcano, Costa Rica
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Hiroya Minakuchi / Leaves in cloud forest, Arenal Volcano, Costa Rica
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Mary McDonald / Montezuma's Oropendola (Psarocolius oropendola)perched on a Palm frond, calling, Arenal Observatory Lodge, Arenal Volcano, Costa Rica, Central America.
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Jouan & Rius / View of Arenal lake (reservoir), Costa Rica
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David Noton / Volanco Arenal, Zona Norte, Costa Rica
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David Noton / Volcan Arenal, Zona Norte, Costa Rica
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David Noton / Woman on canopy trail through tropical rainforest nr Arenal, Zona Norte, Costa Rica
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Michael Pitts / Arenal volcano, continually active, Costa Rica 2006
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Michael Pitts / Arenal volcano, continually active, Costa Rica 2006
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Michael Pitts / Arenal volcano, continually active, Costa Rica 2006
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Juan Manuel Borrero / Arenal volcano, Arenal Conservation Area, Costa Rica
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Neil Lucas / Arenal volcano erupting Costa Rica, October 1995
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Neil Lucas / Active Arenal volcano erupting with cloud of ash, Costa Rica
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Neil Lucas / Active Arenal volcano erupting with cloud of ash, Costa Rica
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Jose B. Ruiz / El Arenal, Tourist beach with sun loungers and umbrellas, Javea, Spain.
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Jose B. Ruiz / El Arenal, tourist beach with sun loungers and umbrellas, Javea, Spain.
Fabio Liverani / White nosed coati {Nasua nasua narica} Arenal lake, Costa Rica
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Fabio Liverani / White nosed coati {Nasua nasua narica} Arenal lake, Costa Rica
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Neil Lucas / Lava flows from errupting Arenal volcano at night. Costa Rica
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Neil Lucas / Lava flows from errupting Arenal volcano at night. Costa Rica
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Fernando Faciole / Aerial shot of Arenal volcano. Alajuela, Costa Rica. February, 2019.
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Guy Edwardes / Red-eyed tree frog (Agalychnis callidryas) emerging from tree hole, Arenal, Costa Rica.
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Guy Edwardes / Turnip-tailed gecko (Thecadactylus rapicauda) silhouetted against banana leaf, Arenal, Costa Rica
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Guy Edwardes / Turnip-tailed gecko (Thecadactylus rapicauda) silhouetted against banana leaf, Arenal, Costa Rica
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Guy Edwardes / Turnip-tailed gecko (Thecadactylus rapicauda) silhouetted against banana leaf, Arenal, Costa Rica
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Guy Edwardes / Emerald glass frog (Espadarana prosoblepon). Arenal, Costa Rica.
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Guy Edwardes / Red-eyed tree frog (Agalychnis callidryas) on leaf overlooking mountain stream. Arenal, Costa Rica. Controlled conditions.
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Guy Edwardes / Eyelash pit viper (Bothriechis schlegelii) crossing over river in cloud forest. Arenal, Costa Rica.
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Guy Edwardes / Ringed tree boa (Corallus annulatus) on log over river in cloud forest. Arenal, Costa Rica. Controlled conditions.
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Guy Edwardes / Rainbow boa (Epicrates cenchria) on log above river in cloud forest. Arenal, Costa Rica. Controlled conditions.
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Guy Edwardes / Milk snake (Lampropeltis triangulum) coiled around fallen tree, over stream in cloud forest. Arenal, Costa Rica. Controlled conditions.
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Guy Edwardes / Green iguana (Iguana iguana) on log over stream. Arenal, Costa Rica. Controlled conditions.
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Guy Edwardes / Ringed tree boa (corallus annulatus) coiled around fallen tree over stream. Arenal, Costa Rica. Controlled conditions.
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Guy Edwardes / Helmeted iguana (Corytophanes cristatus) on fallen tree over mountain stream. In cloud forest, Arenal, Costa Rica. Controlled conditions.
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Guy Edwardes / Helmeted iguana (Corytophanes cristatus) on fallen tree trunk over mountain stream. In cloud forest, Arenal, Costa Rica. Controlled conditions.
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Guy Edwardes / Hourglass treefrog (Dendropsophus ebraccatus) on vegetation beside mountain stream. In cloud forest, Arenal, Costa Rica. Controlled conditions.
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Guy Edwardes / Masked treefrog (Smilisca phaeota) on leaves beside mountain stream. Arenal, Costa Rica. Controlled conditions.
