Lucas Bustamante / Palm oil crops and deforestation in the Ecuadorian Choco Esmeraldas, Ecuador

Suzi Eszterhas / Colombian red howler monkey (Alouatta seniculus) mother and baby in tree. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), three climbing tree. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), adult with two week old baby on back. Northern Colombia.

Thomas Marent / Geometer Moth (Cathydata batina), Tatama National Park, Colombia

Thomas Marent / Corinna Daggerwing (Marpesia corinna) butterfly, Santa Maria, Colombia

Thomas Marent / Cramer's Eighty-eight (Diaethria clymena) butterfly, Tatama National Park, Colombia

Thomas Marent / Dyson's Swordtail (Rhetus dysonii) butterfly, Tatama National Park, Colombia

Thomas Marent / Tigerwing butterfly (Mechanitis sp.), two chrysalis, Ithomiini, Santa Maria, Boyacá, Colombia

Thomas Marent / Red-headed Barbet (Eubucco bourcierii) male, Valle del Cauca, Colombia

Thomas Marent / Western Emerald (Chlorostilbon melanorhynchus) hummingbird, Tatama National Park, Colombia

Thomas Marent / Sparkling Violet-ear (Colibri coruscans) hummingbird bathing, Bogota, Colombia

Thomas Marent / Boulenger's Green Anole (Anolis chloris) male displaying, Tatama National Park, Colombia

Thomas Marent / Splendid Poison Dart Frog (Dendrobates sylvaticus) in rainforest, Timbiqui, Colombia

Thomas Marent / Golden Poison Dart Frog (Phyllobates terribilis) in rainforest, Timbiqui, Colombia

Thomas Marent / Buckley's Slender-legged Treefrog (Osteocephalus buckleyi), Putumayo, Colombia

Glenn Bartley/ BIA / Blue-winged Mountain-Tanager (Anisognathus somptuosus), Andes, Colombia

Chien Lee / Pallas' Long-tongued Bat (Glossophaga soricina) approaching Tea Mangrove (Pelliciera rhizophorae) flower at night, Utria National Park, Colombia

Chien Lee / Pallas' Long-tongued Bat (Glossophaga soricina) approaching Tea Mangrove (Pelliciera rhizophorae) flower at night, Utria National Park, Colombia

Chien Lee / Orchid Bee (Euglossa sp) sleeping by biting leaf, Utria National Park, Colombia

Chien Lee / Harlequin Poison Dart Frog (Dendrobates histrionicus), Utria National Park, Colombia

Chien Lee / Mountains along lake with choco rainforest, Utria National Park, Colombia

Chien Lee / Kokoe Poison Dart Frog (Phyllobates aurotaenia), Utria National Park, Colombia

Chien Lee / Condoto Stubfoot Toad (Atelopus spurrelli), Utria National Park, Colombia

Chien Lee / Common Potoo (Nyctibius griseus) mimicking branch, Utria National Park, Colombia

Paul Bertner / Forest-covered hills and river, Taironaka Lodge, Colombia

Thomas Marent / Velvet-purple Coronet (Boissonneaua jardini) hummingbird feeding on flower nectar, Las Tangaras Bird Reserve, Colombia

Thomas Marent / Velvet-purple Coronet (Boissonneaua jardini) hummingbird in defensive posture, Las Tangaras Bird Reserve, Colombia

Thomas Marent / Bay-headed Tanager (Tangara gyrola), Guacharo Cave National Park, Colombia

Thomas Marent / Black-tailed Trogon (Trogon melanurus) male, Magdalena Valley, Colombia

Thomas Marent / Cotton-top Tamarin (Saguinus oedipus) with red pollen after feeding on flower nectar, Tayrona National Natural Park, Colombia

Thomas Marent / Blue-naped Chlorophonia (Chlorophonia cyanea), Sierra Nevada de Santa Marta, Colombia

Thomas Marent / Blue-naped Chlorophonia (Chlorophonia cyanea), Sierra Nevada de Santa Marta, Colombia

Thomas Marent / Blue-naped Chlorophonia (Chlorophonia cyanea), Sierra Nevada de Santa Marta, Colombia

Thomas Marent / Bay-headed Tanager (Tangara gyrola), Sierra Nevada de Santa Marta, Colombia

Thomas Marent / Greater Flamingo (Phoenicopterus ruber) flock flying, Los Flamencos Sanctuary, Guajira Peninsula, Colombia

Glenn Bartley/ BIA / Green Violet-ear (Colibri thalassinus) hummingbird, Colombia

Glenn Bartley/ BIA / Golden-breasted Puffleg (Eriocnemis mosquera) feeding on flower nectar, Colombia

Glenn Bartley/ BIA / Glowing Puffleg (Eriocnemis vestitus) hummingbird, Colombia

Glenn Bartley/ BIA / Black-capped Tanager (Tangara heinei), Colombia

Glenn Bartley/ BIA / Blue-naped Chlorophonia (Chlorophonia cyanea), Colombia

Edwin Giesbers / Reticulated glass frog (Hyalinobatrachium valerioi) captive, occurs in Colombia, Costa Rica, Ecuador, and Panama

Edwin Giesbers / Imbabura treefrog (Hypsiboas picturatus) viewed from above, in Colombia and Ecuador.

Roland Seitre / Spectacled bear (Tremarctos ornatus) captive at Reserva Natural Rio Blanco, Colombia. Occurs in Tropical Andes, South America.

Nick Garbutt / Scarlet Ibis (Eudocimus ruber) flying into roost sight at dusk, Hato La Aurora Reserve, Los Llanos, Colombia, South America.

Nick Garbutt / Zebu Cattle (Bos primigenius indicus), Los Llanos, Colombia, South America.

Alex Mustard,Alex Mustard / Red eye medusa (Polyorchis penicillatus) with its feeding tentacles extended to catch planktonic prey. Note that the bell of the jelly has hitchhiking amphipods (Hyperia medusarum). Browning Pass, Van...

Alex Mustard,Alex Mustard / Green surf anemones (Anthopleura xanthogrammica) grow in shallow water below the temperate rain forest. Browning Pass, Port Hardy, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.

Alex Mustard,Alex Mustard / A female (in front) and male Sockeye salmon (Oncorhynchus nerka) over eggs in their spawning river. Adams River, British Columbia, Canada, October.

Michael D. Kern / South American rattlesnake (Crotalus durissus cumanensis) captive, from Venezuela and Colombia

Roland Seitre / Pacarana (Dinomys branckii) portrait, member of a breeding project. Captive. Biopark reserve, Cota, Bogota, Colombia, January 2010.

Roland Seitre / Brazilian Tapir (Tapirus terrestris) baby being watched over by its mother. Captive. Medellin Zoo, Antioquia, Colombia.

Roland Seitre / Brazilian Tapir (Tapirus terrestris) baby looking at camera. Captive. Medellin Zoo, Antioquia, Colombia.

Roland Seitre / Brazilian Tapir (Tapirus terrestris) mother with baby. Captive. Medellin Zoo, Antioquia, Colombia.

Luiz Claudio Marigo / A field of Yellow 'Frailejon' (Espeletia grandiflora). Paramo habitat (Andean high altitude fields) Chingaza Natural National Park, municipality of La Calera, Cundinamarca Department, Colombia.

Luiz Claudio Marigo / People taking photographs of a Brown-throated Three-toed Sloth (Bradypus variegatus) in Parque Centenario, downtown Cartagena de Indias city, Magdalena Department, Colombia, February 2011.

Chris Shields / Illustration of wildlife of the Andes: South America Alpaca (Vicugna pacos),centre; Cougar / Puma / Mountain lion / Mountain cat / Catamount / Panther (Puma concolor),left; Spectacled / Andean bear (...

Lisa Hoffner / Wild Cotton-top tamarin (Saguinus oedipus) appears to fly through the air as it jumps from branch to branch in the dry tropical forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Wild Cotton-top Tamarin (Saguinus Oedipus) on vine, in tropical dry forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Wild Cotton-top tamarins (Saguinus oedipus) climbing up fallen branches in dry tropical forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Wild Cotton-top tamarin (Saguinus oedipus) hanging from hind legs (never before observed behaviour) in the dry tropical forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Portrait of two wild Cotton-top Tamarins (Saguinus Oedipus) resting on vine in tropical dry forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Portrait of wild Cotton-top tamarins (Saguinus oedipus) standing on a branch in dry tropical forest of Colombia, South America IUCN List: Critically Endangered

Rod Williams / Golden Poison Dart Frog (Phyllobates terribilis) captive, from Colombia, Endangered Species

James Christensen / Almirante Robber Frog (Craugastor talamancae), Colon, Panama

Thomas Marent / Cotton-top Tamarin (Saguinus oedipus) in tree, northern Colombia

Thomas Marent / Tree Frog (Hyla rubracyla) at night, Colombia

Thomas Marent / Tiger's Treefrog (Hyloscirtus tigrinus) on bromeliad, new species discovered in 2007, Colombia

Thomas Marent / Tiger's Treefrog (Hyloscirtus tigrinus) on bromeliad, new species discovered in 2007, Colombia

Thomas Marent / Harlequin Poison Dart Frog (Dendrobates histrionicus) on bromeliad, Cauca, Colombia

Thomas Marent / Golden Poison Dart Frog (Phyllobates terribilis) pair mating, Cauca, Colombia

Thomas Marent / Crimson-patched Longwing (Heliconius erato) butterfly, Colombia

Michael D. Kern / Zoo Atlanta / White spotted glass frog {Cochranella albomaculata} portrait, captive, occurs Colombia, Costa Rica, Ecuador, Panama. Please credit Michael Kern / Zoo Atlanta.

Rod Williams / Cotton-top tamarin {Saguinus oedipus} portrait. Captive, from Colombia.

Mark Moffett / Golden Poison Dart Frog (Phyllobates terribilis) the most poisonous of the dart frogs, male carrying tadpoles on his back, Colombia

Mark Moffett / Golden Poison Dart Frog (Phyllobates terribilis) the most poisonous of the dart frogs, western Colombia

Mark Moffett / Golden Poison Dart Frog (Phyllobates terribilis) the most poisonous of the dart frogs, western Colombia

Mitsuhiko Imamori / Moth, camouflaged against leaves on tropical rainforest floor, Colombia

Claus Meyer / Cotton-top Tamarin (Saguinus oedipus), Colombia

Mark Moffett / Cristian Samper examines the initial descending root of a Clusia hemiepiphyte in rainforest canopy, La Planada, Colombia

Mark Moffett / Black-legged Poison Dart Frog (Phyllobates bicolor) portrait, Colombia

Pete Oxford / Guayaquil / Buffon's macaw {Ara ambigua}, Western Ecuador, South America Sub-species of Great Green Macaw.

Doug Wechsler / Black legged poison dart frog {Phyllobates bicolor} Colombia. South America

Rod Williams / Colombian black spider monkey, vulnerable species native to Colombia & Panama

Ernie Janes / Helmeted curassow (Pauxi pauxi) captive, occurs in western Venezuela and northern Colombia

Ernie Janes / Helmeted curassow (Pauxi pauxi) captive, occurs in western Venezuela and northern Colombia

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), two in tree. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus) sitting in tree, looking at camera. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), two sitting in tree, looking downwards. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus) looking at camera whilst holding on to tree trunk. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus) resting on branch, looking at camera. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus) resting on branch. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus) feeding on fruit in tree. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus) peering around tree trunk. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), adult male with baby sleeping on back. Northern Colombia. Digitally enhanced.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), adult carrying two week old twin babies on back. Northern Colombia.