Gabriel Rojo / Southern right whale (Eubalaena australis) diving, with tail fluke splash. Monumento Natural Ballena Franca Austral, UNESCO World Heritage Site, Valdes Peninsula, Patagonia, Argentina.

Gabriel Rojo / Guanaco (Lama guanicoe) female and newborn baby, nose to nose in grassland. La Pampa Province, Argentina.

Chris & Monique Fallows / Dusky dolphins (Lagenorhynchus obscurus) porpoising, Puerto Madryn, Peninsula Valdez, Argentina, December.

Chris & Monique Fallows / Dusky dolphins (Lagenorhynchus obscurus) porpoising, Puerto Madryn, Peninsula Valdez, Argentina, December.

Chris & Monique Fallows / Dusky dolphins (Lagenorhynchus obscurus) porpoising, Puerto Madryn, Peninsula Valdez, Argentina, December.

Klein & Hubert / Two semi-wild Criollo foals, a gray sabino colt and a sorrel / chestnut filly, Tierra del Fuego.

Gabriel Rojo / Green-barred woodpecker (Colaptes melanochloros) female on snag, La Pampa, Argentina

Gabriel Rojo / Scimitar-billed woodcreeper (Drymornis bridgesii) at nest hole, Calden forest, La Pampa, Argentina.

Gabriel Rojo / Puma (Puma concolor) hidden in vegetation, captive, La Pampa , Argentina

Gabriel Rojo / Patagonian cavy (Dolichotis patagonum ) rear view of two, La Pampa, Argentina.

Gabriel Rojo / Close up of Passionflower (Passiflora caerulea) La Pampa, Argentina.

Gabriel Rojo / Cougar (Puma concolor) resting in vegetation, Torres del Paine National Park, Chile

Gabriel Rojo / Bay-winged cowbird,(Agelaioides badius) chicks begging for food, La Pampa, Argentina

Gabriel Rojo / Southern Right whale (Eubalaena australis) breaching, Peninsula Valdes, Chubut, Patagonia, Argentina.

Gabriel Rojo / Marsh deer (Blastocerus dichotomus) male with Cattle tyrant (Machetornis rixosus) on back, Ibera Marshes, Corrientes Province, Argentina.

Gabriel Rojo / Black caiman (Melanosuchus niger) on shore, Ibera Marshes, Corrientes Province, Argentina

Gabriel Rojo / White-banded tree-frog (Hypsiboas pulchellus) with Ladybird (Coccinellidae) Calden forest, La Pampa, Argentina

Gabriel Rojo / Monk parakeet (Myiopsitta monachus) Calden Forest , La Pampa , Argentina

Gabriel Rojo / Southern lapwing (Vanellus chilensis) La Pampa, Argentina

Gabriel Rojo / Cattle tyrant (Machetornis rixosus) perched on capibara??Hydrochoerus hydrochaeris) Ibera Marshes, Corrientes Province, Argentina

Gabriel Rojo / Yatay palm / jelly palm (Batia yatay) trees silhouetted at sunset, El Palmar National Park, Entre Rios Province, Argentina

Floris van Breugel / Mount Fitz Roy at dawn on a snowy winter morning, Patagonia region of Argentina near El Chalten, June 2014.

Floris van Breugel / Black-billed shrike-tyrant (Agriornis montanus) in the snow with Mount Fitz Roy visible beyond. Patagonia, Argentina, June 2014.

Floris van Breugel / Black-billed shrike-tyrant (Agriornis montanus) perched in snowy tree with Mount Fitz Roy visible beyond. Patagonia, Argentina, June 2014.

Hougaard Malan / Perito Moreno glacier viewed over bright autumn foliage, Patagonia, Argentina. April 2013. Non-ex.

Hougaard Malan / Perito moreno Glacier, Patagonia, Argentina. April 2013. Non-ex.

Hougaard Malan / Panoramic view of the Perito Moreno Glacier, Patagonia, Argentina. April 2013.

Hougaard Malan / Autumn trees with Mount Fitz Roy beyond. El Chalten, Patagonia, Argentina. April 2013.

Hougaard Malan / Waterfall and autumn foliage with view to Mount Fitz Roy. El Chalten, Patagonia, Argentina. April 2013.

Hougaard Malan / Mount Fitz Roy in morning light. El Chalten, Patagonia, Argentina. April 2013.

Solvin Zankl / Rockhopper penguins (Eudyptes chrysocome) parent sheltering chick from the sun, Argentina.

Gabriel Rojo / Orca (Orcinus orca) baby age 10 days, swimming with his mother. Punta Norte Natural Reserve, Peninsula Valdes, Chubut Province, Patagonia Argentina

Gabriel Rojo / Orca (Orcinus orca) hunting sea lion pups along seashore, Peninsula Valdez, Patagonia Argentina

Gabriel Rojo / Orca (Orcinus orca) hunting sea lion pups, Peninsula Valdez, Patagonia Argentina

Mark MacEwen / Broad snouted caiman (Caiman latirostris) baby carried in mother's mouth from the nest, Sante Fe, Argentina, February

Enrique Lopez-Tapia,Enrique Lopez-Tapia / Peatland landscape in the mist, Tierra del Fuego, Argentina

Luciano Candisani / Black-browed Albatross (Thalassarche melanophrys) portrait, Steeple Jason Island, Falkland Islands

Luciano Candisani / Black-browed Albatross (Thalassarche melanophrys) flying, Steeple Jason Island, Falkland Islands

Luciano Candisani / King Penguin (Aptenodytes patagonicus) couple courting, Volunteer Point, East Falkland Island, Falkland Islands

Luciano Candisani / King Penguin (Aptenodytes patagonicus) group on beach, Volunteer Point, East Falkland Island, Falkland Islands

Luciano Candisani / Black-browed Albatross (Thalassarche melanophrys) chick begging parent for food, Saunders Island, Falkland Islands

Thomas Marent / Cascades of the Iguacu Falls, the world's largest waterfalls, Iguacu National Park, Argentina

Ingo Arndt / Magellanic Penguin (Spheniscus magellanicus) couple, Seno Otway, Patagonia, Chile

Suzi Eszterhas / Southern Rockhopper Penguin (Eudyptes chrysocome) hopping from rock to rock, New Island, Falkland Islands

Suzi Eszterhas / Black-browed Albatross (Thalassarche melanophrys) flying, endangered, Steeple Jason, Falkland Islands

Yva Momatiuk & John Eastcott / Waterfall and mountains, Arroyo del Salto River, Fitzroy Massif, Los Glaciares National Park, Patagonia, Argentina

Yva Momatiuk & John Eastcott / Guanaco (Lama guanicoe) mother and cria, Torres del Paine National Park, Patagonia, Chile

Yva Momatiuk & John Eastcott / Lenticular and cumulus clouds near granite peaks, Fitzroy Massif, Los Glaciares National Park, Patagonia, Argentina