Piotr Naskrecki / Chestnut Short-tailed Bat (Carollia castanea) flying, La Selva Biological Reserve, Costa Rica
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Piotr Naskrecki / Silky Short-tailed Bat (Carollia brevicauda) flying, La Selva Biological Reserve, Costa Rica
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Piotr Naskrecki / Mayfly subimago, La Selva Biological Research Station, Heredia, Costa Rica
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Solvin Zankl / Common big-eared / Leaf nosed bat (Micronycteris microtis) head portrait, La Selva Biological Station, Costa Rica
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Piotr Naskrecki / Ogre-faced Spider (Deinopis sp) do not wait passively for an insect to fall into their web, instead, they cast sticky nets, La Selva Biological Station, Costa Rica
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Michael & Patricia Fogden / White-necked Jacobin (Florisuga mellivora) hummingbird male feeding on nectar from a Bromeliad flower, La Selva Biological Research Station, Rainforest, Costa Rica
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Michael & Patricia Fogden / Lianas in interior of lowland rainforest, La Selva Biological Research Station, Costa Rica
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Piotr Naskrecki / Honduran White Bat (Ectophylla alba) flying, La Selva Biological Reserve, Costa Rica
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Piotr Naskrecki / Honduran White Bat (Ectophylla alba) flying, La Selva Biological Reserve, Costa Rica
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Jen Guyton / Cat-eyed snake (Leptodeira septentrionalis) from La Selva Biological Station, Costa Rica. Controlled conditions.
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Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) at La Selva Biological Station, Costa Rica. Controlled conditions.
01593243
Jen Guyton / Ringed snail-sucker (Sibon annulatus) La Selva Biological Station, Costa Rica. Controlled conditions.
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Jen Guyton / Plumed basilisk (Basiliscus plumifrons) female, La Selva Biological Station, Costa Rica. Controlled conditions.
01593239
Jen Guyton / Eyelash viper (Bothriechis schlegelii) waiting for prey on the trunk of a tree, La Selva Biological Station, Costa Rica. Small repro only.
01593235
Jen Guyton / Speckled tree snake (Imantodes inornatus) on a heliconia flower, La Selva Biological Station, Costa Rica.
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Jen Guyton / Speckled tree snake (Imantodes inornatus) from La Selva Biological Station, Costa Rica. Controlled condtions.
01593229
Jen Guyton / Ringed snail-sucker (Sibon annulatus) from La Selva Biological Station, Costa Rica. Controlled conditions.
01593225
Jen Guyton / Helmeted iguana (Corytophanes cristatus) at La Selva Biological Station, Costa Rica.
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Jen Guyton / Ringed tree boa (Corallus annulatus) at La Selva Biological Station, Costa Rica.
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Jen Guyton / Ringed tree boa (Corallus annulatus) at La Selva Biological Station, Costa Rica.
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Jen Guyton / Clouded snail-eater snake (Sibon nebulatus) La Selva Biological Station, Costa Rica. Controlled conditions.
01593294
Jen Guyton / Lichen-colored snail-sucker snake (Sibon longifrenis) from La Selva Biological Station, Costa Rica. Controlled conditions.
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Jen Guyton / Lichen-coloured snail-sucker snake (Sibon longifrenis) La Selva Biological Station, Costa Rica.
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Jen Guyton / Fer-de-lance (Bothrops asper) hatchling on a blade of grass in a swamp, La Selva Biological Station, Costa Rica.
01593291
Jen Guyton / Speckled tree snake (Imantodes inornatus) stretching and moving forward on white background. La Selva Biological Station, Costa Rica. Controlled conditions.
01593290
Jen Guyton / Speckled tree snake (Imantodes inornatus) La Selva Biological Station, Costa Rica. Controlled conditions.
01593289
Jen Guyton / Plumed basilisk (Basiliscus plumifrons) female, La Selva Biological Station, Costa Rica. Controlled conditions.
01593288
Jen Guyton / Plumed basilisk (Basiliscus plumifrons) female La Selva Biological Station, Costa Rica.
01593287
Jen Guyton / Eyelash viper (Bothriechis schlegelii) waitingfor prey on tree trunk, La Selva Biological Station, Costa Rica.
01593286
Jen Guyton / Clouded snail-eater snake (Sibon nebulatus) at La Selva Biological Station, Costa Rica.
01593285
Jen Guyton / Calico snake (Oxyrhopus petolarius) juvenile, from La Selva Biological Station, Costa Rica. Controlled conditions. Non-venomous snakes mimic venomous coral snakes.
01593284
Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) juvenile tastes the air at La Selva Biological Station, Costa Rica.
01593283
Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) La Selva Biological Station, Costa Rica.
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Jen Guyton / Ringed tree boa (Corallus annulatus) La Selva Biological Station, Costa Rica.
01593278
Jen Guyton / Eyelash viper (Bothriechis schlegelii) waiting for prey on tree, La Selva Biological Station, Costa Rica.
01593270
Jen Guyton / Ringed tree boa (Corallus annulatus) at La Selva Biological Station, Costa Rica.
01593264
Jen Guyton / Fer-de-lance (Bothrops asper) hatchling on a blade of grass in a swamp, La Selva Biological Station, Costa Rica
01593263
Jen Guyton / Clouded snail-eater (Sibon nebulatus) La Selva Biological Station, Costa Rica.
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Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) La Selva Biological Station, Costa Rica.
01593256
Jen Guyton / Helmeted iguana (Corytophanes cristatus) La Selva Biological Station, Costa Rica. Controlled conditions.
01593340
Jen Guyton / Cat-eyed snake (Leptodeira septentrionalis) on branch with the eggs of a Parachuting red-eyed tree frog (Agalychnis saltator). La Selva Biological Station, Costa Rica,
01593339
Jen Guyton / Helmeted iguana (Corytophanes cristatus) at La Selva Biological Station, Costa Rica.
01593336
Naskrecki & Guyton / Helmeted iguana (Corytophanes cristatus) at La Selva Biological Station, Costa Rica.
01593354
Jen Guyton / Yellow-spotted tropical night lizard (Lepidophyma flavimaculatum) from La Selva Biological Station, Costa Rica. Controlled conditions.
01593353
Jen Guyton / Cat-eyed snake (Leptodeira septentrionalis) from La Selva Biological Station, Costa Rica. Photographed in a studio.
01593350
Jen Guyton / Brown wood turtle (Rhinoclemmys annulata) resting on a rock in a stream. La Selva Biological Station, Costa Rica,
01593349
Jen Guyton / Calico snake (Oxyrhopus petolarius) juvenile from La Selva Biological Station, Costa Rica. Non-venomous snake which mimics venomous coral snakes.
01593345
Jen Guyton / Speckled tree snake (Imantodes inornatus) on a Heliconia flower, La Selva Biological Station, Costa Rica.
00576582
Greg Basco/ BIA / Black-mandibled Toucan (Ramphastos ambiguus) in rainforest canopy, La Selva Biological Research Station, Costa Rica
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Jen Guyton / Collared aracari (Pteroglossus torquatus) plucks fruit off a branch at La Selva Biological Station, Costa Rica.
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Jen Guyton / Collared aracari (Pteroglossus torquatus) at La Selva Biological Station, Costa Rica.
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Jen Guyton / Green iguana (Iguana iguana) rests on a log, La Selva Biological Station, Costa Rica.
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Jen Guyton / Red-eyed tree frog (Agalychnis callidryas) rests on a leaf at La Selva Biological Station, Costa Rica.
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Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) hangs from a branch and tastes the air. La Selva Biological Station, Costa Rica.
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Jen Guyton / Neotropical green anole (Anolis biporcatus) on a tree, La Selva Biological Station, Costa Rica.
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Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) moving from branch to branch. La Selva Biological Station, Costa Rica.
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Jen Guyton / Speckled blunthead tree snake (Imantodes inornatus) among vines and lianas in the rainforest at La Selva Biological Station, Costa Rica.
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Jen Guyton / Annulated tree boa (Corallus annulatus) resting on a log at La Selva Biological Station, Costa Rica.
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Jen Guyton / Snail-eating snake (Sibon nebulata) extracts a snail from its shell by wedging the shell in the fork of a branch and pulling at the snail's soft body. La Selva Biological Station, Costa Rica.
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Jen Guyton / Strawberry poision arrow frog (Oophaga pumilio) photographed in studio at La Selva Biological Station, Costa Rica.
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Jen Guyton / Strawberry poision arrow frog (Oophaga pumilio) photographed in studio at La Selva Biological Station, Costa Rica.
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Jen Guyton / Strawberry poision arrow frog (Oophaga pumilio) photographed in studio at La Selva Biological Station, Costa Rica.
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Jen Guyton / Strawberry poision arrow frog (Oophaga pumilio) photographed in studio at La Selva Biological Station, Costa Rica.
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Jen Guyton / Strawberry poision arrow frog (Oophaga pumilio) photographed in studio at La Selva Biological Station, Costa Rica.
01567767
Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) moving on abranch, La Selva Biological Station, Costa Rica.
01567766
Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) moving on abranch, La Selva Biological Station, Costa Rica.
01567765
Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) moving on abranch, La Selva Biological Station, Costa Rica.
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Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) moving on abranch, La Selva Biological Station, Costa Rica.
01567763
Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) moving on abranch, La Selva Biological Station, Costa Rica.
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Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) moving on abranch, La Selva Biological Station, Costa Rica.
01567761
Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) moving on abranch, La Selva Biological Station, Costa Rica.
01567760
Jen Guyton / Blunt-headed tree snake (Imantodes cenchoa) moving on abranch, La Selva Biological Station, Costa Rica.
01567759
Jen Guyton / Red-eyed tree frog (Agalychnis callidryas) among the vegetation at La Selva Biological Station, Costa Rica.
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Jen Guyton / Red-eyed tree frog (Agalychnis callidryas) among the vegetation at La Selva Biological Station, Costa Rica.
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Jen Guyton / Red-eyed tree frog (Agalychnis callidryas) among the vegetation at La Selva Biological Station, Costa Rica.
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Jen Guyton / Red-eyed tree frog (Agalychnis callidryas) among the vegetation at La Selva Biological Station, Costa Rica.
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Jen Guyton / Red-eyed tree frog (Agalychnis callidryas) among the vegetation at La Selva Biological Station, Costa Rica.
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Jen Guyton / Red-eyed tree frog (Agalychnis callidryas) among the vegetation at La Selva Biological Station, Costa Rica.
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Jen Guyton / Red-eyed tree frog (Agalychnis callidryas) among the vegetation at La Selva Biological Station, Costa Rica.
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Jen Guyton / Hourglass tree frog (Dendropsophus ebraccatus) on a tree trunkt La Selva Biological Station, Costa Rica.
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Jen Guyton / Hourglass tree frog (Dendropsophus ebraccatus) on moss covered leaf at La Selva Biological Station, Costa Rica.
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Jen Guyton / Hourglass tree frog (Dendropsophus ebraccatus) on moss covered leaf at La Selva Biological Station, Costa Rica.
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Sean Crane / White-crowned Parrot (Pionus senilis) pair, La Selva Biological Reserve, Costa Rica
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Sean Crane / Keel-billed Toucan (Ramphastos sulfuratus)and bromeliad, La Selva Biological Reserve, Costa Rica
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Sean Crane / Chestnut-mandibled Toucan (Ramphastos swainsonii) eating berries, La Selva Biological Reserve, Costa Rica
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Christian Ziegler / Misfit Leaf Frog (Agalychnis saltator) mass mating, La Selva Biological Research Station, Costa Rica
00487120
Christian Ziegler / Red-eyed Tree Frog (Agalychnis callidryas) seen from below, La Selva Biological Research Station, Costa Rica
00487104
Christian Ziegler / Misfit Leaf Frog (Agalychnis saltator) pair mating in foreground, La Selva Biological Research Station, Costa Rica
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Piotr Naskrecki / Treehopper (Umbonia crassicornis) mimicking thorn, La Selva Biological Research Station, Heredia, Costa Rica
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Piotr Naskrecki / Lantern Bug (Fulgora sp) spreading wings showing false eyespots, La Selva Biological Research Station, Heredia, Costa Rica
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Piotr Naskrecki / Lantern Bug (Fulgora sp), La Selva Biological Research Station, Heredia, Costa Rica
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Piotr Naskrecki / Lantern Bug (Fulgora sp), La Selva Biological Research Station, Heredia, Costa Rica
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Piotr Naskrecki / Tico Katydid (Melanonotus tico), La Selva Biological Research Station, Heredia, Costa Rica
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Piotr Naskrecki / Katydid (Thamnobates subfalcata), La Selva Biological Research Station, Heredia, Costa Rica
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Piotr Naskrecki / Bess Beetle (Passalidae), La Selva Biological Research Station, Heredia, Costa Rica
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Piotr Naskrecki / Cane Toad (Bufo marinus), La Selva Biological Research Station, Heredia, Costa Rica