José R. Castelló is the author of two previous Princeton Field Guides, Canids of the World and Bovids of the World. A naturalist, wildlife photographer, and medical doctor, he lives in Madrid. Twitter @doctor_castello The most comprehensive and user-friendly photographic field guide to the world's wildcats and hyenas From the Leopard Cat of Asia, the Black-footed Cat of Africa, and the Amur Tiger of Siberia to South America's Ocelots and North...

José R. Castelló is a medical doctor, naturalist, and wildlife photographer. He is a member of the American Society of Mammalogists and the Spanish Society for Conservation and Study of Mammals. He is the author of Bovids of the World: Antelopes, Gazelles, Cattle, Goats, Sheep, and Relatives (Princeton). The most complete and user-friendly photographic field guide to the world's canids This stunningly illustrated and easy-to-use field guide covers...