
1998
Join barefoot scientist Jesús Rivas in the murky marshes of Venezuela on his quest to understand these huge, fearsome reptiles. Up to 30 feet long, weighing many times more than the scientists studying them, anacondas are difficult subjects at best, but the National Geographic team captures brilliant footage of them swimming, resting, mating, and hunting prey.

Gutiérrez: Una deuda pendiente

Hummingbirds: Jewelled Messengers

Cheetahs of the Linyanti

The Living Thames

The Mystery of the Belugas

Making An Ancient Forest - Kalkalpen National Park

Amazonie, les murmures de la forêt

Africa: The Serengeti

Alaska: Spirit of the Wild

Amazon

Mammoth

Cephalopods: The Reign of Suckers

Aldabra: Once Upon an Island

Desert Seas

Les défis de la Grande Barrière de corail

The 11th Hour

Snake Man

National Geographic Ultimate Shark

Blue Water, White Death

Die 2050er - Everything will change