A snake bigger than a bus vs. a croc that could crush a car. Place your bets.
A mining operation in Cerrejon, Northern Colombia revealed a treasure trove of fossils from animals that lived ten million years after the KT extinction that killed the dinosaurs. Surprisingly, enormous reptiles were dominate. Scientists investigate who was the apex predator of the era - Titanoboa, a quarter ton giant snake five times bigger than the largest anaconda, or a similarly giant crocodilian with an incredibly deadly bite force. —David Foss
Practical Effects
Life-sized Titanoboa replica will haunt your dreams
Direction
Tension-building between snake and croc reveal
Production
Stunning fossil site cinematography
Trivia, insights & behind the scenes
Titanoboa's name literally means 'titanic boa' — scientists aren't subtle. The fossil was found by a Colombian geology student who spotted vertebrae in 2009.
The doc's climate argument is controversial; some paleontologists argue body size estimates for Titanoboa may be inflated. The snake vs. croc rivalry? Still legit.
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