Agustin Esmoris / Roseate Spoonbill (Platalea ajaja) juvenile, Argentina

Agustin Esmoris / Stinkhorn (Phallus indusiatus) mushroom at night, Paranaense Rainforest, Misiones, Argentina

Agustin Esmoris / Southern Mountain Cavy (Microcavia australis) young huddling, Puerto Madryn, Argentina

Agustin Esmoris / Southern Mountain Cavy (Microcavia australis) young, Puerto Madryn, Argentina

Agustin Esmoris / Southern Mountain Cavy (Microcavia australis) young huddling, Puerto Madryn, Argentina

Agustin Esmoris / Southern Mountain Cavy (Microcavia australis) young huddling, Puerto Madryn, Argentina

Agustin Esmoris / Footman Moth (Halysidota ruscheweyhi) caterpillar, Argentina

Agustin Esmoris / Cactus (Echinopsis aurea) flowering, Bahia Blanca, Argentina

Agustin Esmoris / Lineated Woodpecker (Dryocopus lineatus) chick in nest cavity, Argentina

Yva Momatiuk & John Eastcott / Waterfall and peak, Fitzroy Massif, Los Glaciares National Park, Patagonia, Argentina

Yva Momatiuk & John Eastcott / Clouds, Los Glaciares National Park, Patagonia, Argentina

Yva Momatiuk & John Eastcott / Peaks, Cerro Torre, Los Glaciares National Park, Patagonia, Argentina