Bernard Castelein / Andean fox (Pseudalopex culpaeus) Laguna Hedionda, Altiplano, Bolivia

Bernard Castelein / Andean fox (Pseudalopex culpaeus) Laguna Hedionda, Altiplano, Bolivia

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

Bernard Castelein / Culpea or Andean fox (Pseudalopex culpaeus) at rest, vicinity of Laguna Verde, Reserva Eduardo Avaroa, altiplano, Bolivia

Bernard Castelein / Culpea or Andean fox (Pseudalopex culpaeus) yawning, vicinity of Laguna Verde, Reserva Eduardo Avaroa, altiplano, Bolivia

Bernard Castelein / Culpea or Andean fox (Pseudalopex culpaeus) at rest, vicinity of Laguna Verde, Reserva Eduardo Avaroa, altiplano, Bolivia

Bernard Castelein / Culpea or Andean fox (Pseudalopex culpaeus) portrait, vicinity of Laguna Verde, Reserva Eduardo Avaroa, altiplano, Bolivia

Bernard Castelein / Culpea or Andean fox (Pseudalopex culpaeus) walking along, vicinity of Laguna Verde, Reserva Eduardo Avaroa, altiplano, Bolivia