Nature

Did This Thighbone Belong to the World's Largest Dinosaur?

Clip: Season 34 Episode 11 | 54s Video has closed captioning.

Sauropods were long-necked, plant-eating dinosaurs that started off relatively small. However, after 20 million years of evolution, they grew to enormous proportions. Naturalist David Attenborough compares the thighbones of early sauropods to the largest ever found.

Aired: 02/17/16

Rating: NR

Problems Playing Video? | Closed Captioning

Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, Sue and Edgar Wachenheim III, The Fairweather Foundation, the Kate W. Cassidy Foundation, …

Green Up Your Inbox

NATURE NEWSLETTER

Green Up Your Inbox

Subscribe to the weekly NATURE newsletter and be the first to hear about the latest episodes, animal videos, conservation news, citizen science projects, educational resources and much more!

Subscribe