Sylvain Cordier / South American gray fox (Lycalopex griseus) adult eating a head of brown hare. Torres del Paine National Park, Patagonia, Chile.

Gabriel Rojo / Grey Fox (Pseudalopex griseus) Pampas region, Argentina

Gabriel Rojo / Grey fox (Pseudalopex griseus) Torres del Paine National Park, Chile

Sebastian Kennerknecht / South American Gray Fox (Lycalopex griseus), Torres del Paine National Park, Patagonia, Chile

Sylvain Cordier / South American grey fox (Dusicyon griseus), resting, Punta Norte, Peninsula Valdes, Argentina.

Sylvain Cordier / South American grey fox (Dusicyon griseus), walking, Punta Norte, Peninsula Valdes, Argentina.

Sylvain Cordier / South American grey fox (Dusicyon griseus), resting, Punta Norte, Peninsula Valdes,Argentina

Sylvain Cordier / South American grey fox (Dusicyon griseus), resting and yawning, Punta Norte, Peninsula Valdes, Argentina

Jose B. Ruiz / South American grey fox (Lycalopex griseus) Torres del Paine. Patagonia, Puerto Natales, Chile.

Gabriel Rojo / Grey fox (Lycalopex griseus) resting, Torres del Paine National Park, Chile

Gabriel Rojo / Grey fox (Lycalopex griseus) resting, Torres del Paine National Park, Chile

Gabriel Rojo / Grey fox (Lycalopex griseus) resting, Torres del Paine National Park, Chile

Gabriel Rojo / Argentine grey fox (Pseudalopex griseus) La Pampa, Argentina

Chris Mattison / South American gray fox (Lycalopex griseus) Patagonia, Chile.

Gabriel Rojo / Pampas fox (Lycalopex griseus) portrait, Calden Forest , La Pampa, Argentina

Gabriel Rojo / Argentine grey fox (Pseudalopex griseus) Peninsula Valdez, Chubut, Patagonia, Argentina

Gabriel Rojo / Patagonian grey fox (Lycalopex griseus) Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / Patagonian grey fox (Lycalopex griseus) foraging, Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / Patagonian grey fox (Lycalopex griseus) Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / Patagonian grey fox (Lycalopex griseus) Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / Patagonian grey fox (Lycalopex griseus) Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / Patagonian grey fox (Lycalopex griseus) Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / Argentine grey fox (Lycalopex griseus) Valdes Peninsula, Chubut, Patagonia, Argentina.

Gabriel Rojo / Three Argentine grey foxes (Lycalopex griseus) looking at Large hairy armadillo (Chaetophractus villosus) Valdes Peninsula, Chubut, Patagonia, Argentina.

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

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) cub standing on a wood pile, 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

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

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

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

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

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

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

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

Agustin Esmoris / South American Gray Fox (Lycalopex griseus) roadkill, Peninsula Valdez, Argentina

Yva Momatiuk & John Eastcott / South American Gray Fox (Lycalopex griseus), Los Glaciares National Park, Patagonia, Argentina

Yva Momatiuk & John Eastcott / South American Gray Fox (Lycalopex griseus) sleeping, Los Glaciares National Park, Patagonia, Argentina

Yva Momatiuk & John Eastcott / South American Gray Fox (Lycalopex griseus) stretching, Los Glaciares National Park, Patagonia, Argentina

Gabriel Rojo / Pampas grey fox (Lycalopex griseus) standing alert in Pampas grass habitat, La Pampa province, Patagonia, Argentina.

Joel Sartore / Photo Ark / South American grey fox (Lycalopex griseus) lying down and looking around, Santiago Zoo. Captive.

Joel Sartore / Photo Ark / South American grey fox (Lycalopex griseus) looking around before lying down, Santiago Zoo. Captive.

Jeff Vanuga / Patagonian grey fox (Lycalopex griseus) Los Glacias National Park, Argentina.

Simon Littlejohn / Common caracara (Caracara plancus) scavenging on a Guanco (Lama guanacoe) carcass, with a South American grey fox (Lycalopex griseus) in the background, Torres del Paine National Park, Chile, South Am...