Kevin Schafer / Darwin's Zorro (Lycalopex fulvipes) a critically endangered fox, Chiloe Island, Chile

Hermann Brehm / Argentine grey / Patagonian fox suckling young {Pseudolopex griseus} Torres del Paine NP, Chile

Gabriel Rojo / Argentine grey fox sunning {Pseudolopex griseus} Patagonia, Argentina

Gabriel Rojo / Argentine grey fox {Pseudolopex griseus} Patagonia, Argentina

Gabriel Rojo / Argentine grey foxes {Pseudolopex griseus} Patagonia, Argentina

Pete Oxford / Culpeo fox {Pseudolopex culpaeus} Altiplano, Brazil

Pete Oxford / Andean Red Fox (Pseudalopex culpaeus) altiplano, Bolivia

Roland Seitre / Sechuran Fox (Pseudalopex sechurae). Chaparri reserve, Chiclayo, Lambayeque, July 2010.

Roland Seitre / Sechuran Fox (Pseudalopex sechurae) portrait. Chaparri reserve, Chiclayo, Lambayeque, July 2010.

Oriol Alamany / Argentine grey fox (Pseudalopex griseus) resting on ground, Torres del Paine National Park, Patagonia, Chile

Oriol Alamany / Argentine grey fox (Pseudalopex griseus) walking profile, Torres del Paine National Park, Patagonia, Chile

Oriol Alamany / Argentine grey fox (Pseudalopex griseus) standing alert, Torres del Paine National Park, Patagonia, Chile

Oriol Alamany / Argentine grey fox (Pseudalopex griseus) resting on ground, Torres del Paine National Park, Patagonia, Chile

Kevin Schafer / Culpeo / Andean fox (Pseudalopex culpaeus) wild, 3300m, Cotopaxi NP, Andes, Ecuador.

Daniel Heuclin / Andean / Culpeo fox (Pseudalopex culpaeus) walking, Eduardo Abaroa nature reserve, S.W. Bolivia, South America

Murray Cooper / Andean Red Fox (Pseudalopex culpaeus), Andes, Ecuador

Freya Short / Argentine / South American grey fox (Pseudalopex / Lycalopex griseus) cubs resting, Torres del Paine National Park, Chile

Freya Short / South American grey fox (Pseudolopex / Lycalopex griseus) standing in snow, Torres del Paine National Park, Chile, July

Freya Short / Argentine / South American Grey fox (Pseudolopex / Lycalopex griseus) sleeping, Torres del Paine National Park, Chile

Freya Short / Argentine / South American grey fox (Pseudalopex / Lycalopex griseus) cub standing on a wood pile, Torres del Paine National Park, Chile

Freya Short / Argentine / South American grey fox {Pseudolopex griseus} Torres del Paine National Park, Chile

Freya Short / Argentine / South American grey fox (Pseudalopex / Lycalopex griseus) cubs resting, Torres del Paine National Park, Chile

Freya Short / Argentine / South American grey fox (Pseudalopex / Lycalopex griseus) cubs resting, Torres del Paine National Park, Chile

Tim Martin / Sechuran / Peruvian desert fox (Pseudalopex / Lycalopex sechurae) Dry Forest, Northern Peru, April

Tim Martin / Sechuran / Peruvian desert fox (Pseudalopex / Lycalopex sechurae) Dry Forest, Northern Peru, April

Tim Martin / Sechuran / Peruvian desert fox (Pseudalopex / Lycalopex sechurae) Dry Forest, Northern Peru, April

Eric Baccega / Sechuran fox (Pseudalopex sechurae) Chaparri Ecological Reserve, Peru, South America

Luiz Claudio Marigo / Pampas / Azara´s fox (Lycalopex / Pseudalopex gymnocercus) Serra Geral, near Aparados da Serra National Park, Rio Grande do Sul State, Southern Brazil.

Kevin Schafer / Hoary Fox (Lycalopex vetulus) in tall grass, Serra de Canastra National Park, Brazil

Kevin Schafer / South American Gray Fox (Lycalopex griseus) young playing, Torres del Paine National Park, Chile

Kevin Schafer / Darwin's Zorro (Lycalopex fulvipes) a critically endangered fox, Chiloe Island, Chile

Kevin Schafer / Darwin's Zorro (Lycalopex fulvipes) a critically endangered fox, Chiloe Island, Chile

Kevin Schafer / Culpeo (Lycalopex culpaeus) fox sitting on rocks, Cotopaxi National Park, Andes, Ecuador

Kevin Schafer / South American Gray Fox (Lycalopex griseus), Torres Del Paine National Park, Chile

Konrad Wothe / Andean Red Fox (Pseudalopex culpaeus), Torres del Paine National Park, Chile

Yva Momatiuk & John Eastcott / Culpeo (Lycalopex culpaeus) parent with litter of pups outside its den, Patagonia, Argentina

Chris Gomersall / Culpeo / South American red fox (Pseudalopex / Dusicyon culpaeus). Tierra del Fuego, Argentina.

Fred Bavendam / Squarespot Anthias (Pseudanthias pleurotaenia) male, Lembeth Strait, Indonesia

TJ Rich / Argentine / Patagonian fox yawning (Pseudalopex griseus) Torres del Paine NP, Chile

RHONDA KLEVANSKY / Argentine grey fox carrying cub {Pseudolopex / Dusicyon griseus} Torres del Paine NP, Patagonia, Chile

RHONDA KLEVANSKY / Argentine grey fox carrying cub {Pseudolopex / Dusicyon griseus} Torres del Paine NP, Patagonia, Chile

Martha Holmes / Culpeo fox {Pseudolopex culpaeus} Nr Torres del Paine, Patagonia, Chile

Martha Holmes / Culpeo fox {Pseudolopex culpaeus} feeding on dead sheep, Nr Torres del Paine, Chile

Pete Oxford / Culpeo fox {Pseudolopex culpaeus} Ecuador

Pete Oxford / Culpeo / Andean red fox {Pseudolopex culpaeus} Altiplano, Bolivia

Pete Oxford / Culpeo / Andean red fox {Pseudolopex culpaeus} Altiplano, Bolivia

Pete Oxford / Argentine / Patagonian grey fox {Pseudolopex griseus} Penninsula Valdes, Argentina

Pete Oxford / Argentine / Patagonian grey fox {Pseudolopex griseus} Penninsula Valdes, Argentina

Hermann Brehm / Argentine grey / Patagonian fox suckling young{Pseudolopex griseus} Torres del Paine NP, Chile

Hermann Brehm / Argentine grey / Patagonian fox young playing, {Pseudolopex griseus} Torres del Paine NP, Chile

Hermann Brehm / Argentine grey / Patagonian fox feeding on prey, Chile {Pseudolopex griseus} Torres del Paine NP Chile

Hermann Brehm / Argentine grey / Patagonian fox cubs {Pseudolopex griseus} Torres del Paine NP, Chile

Hermann Brehm / Argentine grey / Patagonian fox {Pseudolopex griseus} Torres del Paine NP, Chile

Hermann Brehm / Argentine grey / Patagonian fox suckling cubs, Chile {Pseudolopex griseus} Torres del Paine NP

Hermann Brehm / Argentine grey / Patagonian fox {Pseudolopex griseus} Torres del Paine NP, Chile

Gabriel Rojo / Argentine grey fox cubs greeting, Patgonia, Argentina {Pseudolopex griseus}

Pete Oxford / Culpeo / Andean red fox {Pseudolopex culpaeus} Altiplano, Bolivia

Pete Oxford / Culpeo / Andean red fox {Pseudolopex culpaeus} Altiplano, Bolivia

Winfried Wisniewski / South American Gray Fox (Lycalopex griseus) walking over bare ground, Patagonia, Argentina

Tui De Roy / Sechuran Fox (Lycalopex sechurae) social group members squabbling while foraging at night, Cerro Chaparri, Lambayeque Province, Peru

Tui De Roy / Sechuran Fox (Lycalopex sechurae) drinking from spring-fed stream in northern dry forest habitat, Cerro Chaparri, Lambayeque Province, Peru

Tui De Roy / Culpeo (Lycalopex culpaeus) living in rugged Andean scrub country, Colca Canyon, southern Andes Mountains, Peru

Tui De Roy / Sechuran Fox (Lycalopex sechurae) portrait in stream-side habitat, Cerro Chaparri, Lambayeque, Peru

Tui De Roy / Sechuran Fox (Lycalopex sechurae) portrait in stream-side habitat, Cerro Chaparri, Lambayeque, Peru

Tui De Roy / Sechuran Fox (Lycalopex sechurae) crossing stream in northern dry forest habitat, Cerro Chaparri, Lambayeque Province, Peru

Tui De Roy / Sechuran Fox (Lycalopex sechurae) crossing stream in northern dry forest habitat, Cerro Chaparri, Lambayeque Province, Peru

Tui De Roy / Sechuran Fox (Lycalopex sechurae) portrait in stream-side habitat, Cerro Chaparri, Lambayeque, Peru

Tui De Roy / Sechuran Fox (Lycalopex sechurae) portrait in stream-side habitat, Cerro Chaparri, Lambayeque, Peru

Tui De Roy / Sechuran Fox (Lycalopex sechurae) yawning in stream-side habitat, Cerro Chaparri, Lambayeque, Peru

Tui De Roy / South American Gray Fox (Lycalopex griseus), Valdes Peninsula, Patagonia, Argentina

SIMON KING / Argentine grey fox {Pseudolopex griseus} Peninsula Valdes, Argentina

Gabriel Rojo / Argentine grey fox {Pseudolopex griseus} Peninsula Valdez, Patagonia, Argentina

RHONDA KLEVANSKY / Argentine grey fox mother suckling cubs {Pseudalopex griseus} Torres del Paine NP, Chile

Pete Oxford / Argentine grey fox (Pseualopex griseus). Torres del Paine NP, Chile, South America

Pete Oxford / Argentine grey fox (Pseudalopex griseus) resting. Peninsula Valdes, Argentina, South America

Pete Oxford / Argentine grey fox (Pseualopex griseus). Torres del Paine NP, Chile, South America