Claudio Contreras / Grey fox (Urocyon cinereoargenteus) licking nose, captive, Mexico City

Karine Aigner / Grey fox (Urocyon cinereoargenteus) in undergrowth. Texas, USA. June.

Karine Aigner / Grey fox (Urocyon cinereoargenteus) looking upwards, portrait. Texas, USA. June.

Jaymi Heimbuch / Santa Catalina Island Fox (Urocyon littoralis catalinae) biologists, Julie King and Rebekah Rudy, examining fox during vaccination and health check up, Santa Catalina Island, Channel Islands, Californ...

Jaymi Heimbuch / Santa Catalina Island Fox (Urocyon littoralis catalinae) biologist, Julie King, vaccinating fox against canine distemper virus, Santa Catalina Island, Channel Islands, California

Jaymi Heimbuch / Santa Catalina Island Fox (Urocyon littoralis catalinae) biologist, Julie King, doing blood work, Santa Catalina Island, Channel Islands, California

Jaymi Heimbuch / Santa Catalina Island Fox (Urocyon littoralis catalinae) biologists, Julie King and Rebekah Rudy, examining fox during vaccination and health check up, Santa Catalina Island, Channel Islands, Californ...

Jaymi Heimbuch / Santa Catalina Island Fox (Urocyon littoralis catalinae) biologist, Julie King, near live trapped fox during vaccination and health check up, Santa Catalina Island, Channel Islands, California

Jaymi Heimbuch / Santa Catalina Island Fox (Urocyon littoralis catalinae) biologist, Julie King, examining fox during vaccination and health check up, Santa Catalina Island, Channel Islands, California

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

Claudio Contreras / Grey fox (Urocyon cinereoargenteus) Mexico City, September. Captive.

Claudio Contreras / Grey fox (Urocyon cinereoargenteus) captive, Mexico City, September.