Beneath a tree where a sloth sleeps, juvenile caimans lurk in the long grasses. The air is thick with the sound of an astonishing frog chorus. As night falls, and I look at the moon and stars, I ...

PUERTO NARINO, Colombia (AP) — A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, patiently work a mesh net around a pod of ...

A new study examines the migratory movements of jaguars, river dolphins, and other species The Amazon river basin encompasses more than one-third of the South American continent, and the river itself ...

These adult male dolphins pee in the air. We have questions. These adult male dolphins pee in the air. We have questions. There's mercury in the Amazon. This scientist is tracking it down. Environment ...

Since the 1980s, the combined populations of river dolphin species have plummeted by 73%. With the Global Declaration for River Dolphins, 14 countries (six of them in Latin America) are expected to ...

Does the Amazon River Flow Backward? It’s a question that often sparks curiosity among explorers, scientists, and anyone fascinated by the mysteries of our planet. Although most major rivers on Earth ...

Delfin Amazon Cruises this year is offering three itineraries featuring wildlife experts. The experts are National Geographic Explorers Carmen Chavez and Kenneth Feeley, wildlife photographer Walter ...