“The charisma of these huge, Amazonian ‘river people’ burns through even the most factual descriptions, emphasized by an abundance of photographs.” —B

Introduces the giant river otter, describing its physical characteristics, habitat, life cycle, and ways in which young otters learn how to survive from older f

In the Amazon Basin, many animals hunt fish for every meal. Sometimes, this shared diet leads to a battle! Giant otters are speedy predators, but are they a mat

"Captivating. . . . a full portrait of this adorable and ecologically important animal." —Publishers Weekly A science journalist travels the Pacific Coast in

This book of photography represents National Geographic's Photo Ark, a major cross-platform initiative and lifelong project by photographer Joel Sartore to make