Prehistoric Creatures That Were Straight-Up Psychopathic Killers

Earth’s past was a crime scene. From fish that ate each other for fun to snakes that crushed crocodiles, these prehistoric monsters turned survival into a blood sport. In this video, we dive into the 15 most psychopathic killers to ever exist — real creatures so violent they make today’s predators look like house pets.

You’ll meet Dunkleosteus, the armored fish with bone-cutting jaws that could slice through anything, and Xiphactinus, the gluttonous predator that kept choking itself to death. Then things escalate with Titanoboa, a 42-foot snake that hunted crocodiles, Basilosaurus, the whale that ate other whales, and Quetzalcoatlus, the giraffe-sized pterosaur that hunted baby dinosaurs on foot.

And it doesn’t stop there. You’ll see Terror Birds that bludgeoned prey with their beaks, Smilodon with fangs longer than knives, Andrewsarchus with jaws strong enough to crush bone, and Megalania, the venomous lizard the size of a car. From Dimetrodon’s sail-backed menace to Inostrancevia’s saber rage, and the nightmare scorpions Jaekelopterus and Pulmonoscorpius, all the way back to Anomalocaris, the planet’s first killing machine, and Livyatan, the whale that hunted other whales—this lineup is pure prehistoric chaos.

Chapters:
00:26 - DUNKLEOSTEUS
2:18 -XIPHACTINUS
3:39 -TITANOBOA
5:26 -BASILOSAURUS
7:03 -QUETZALCOATLUS
8:39 -TERROR BIRDS
10:41 -SMILODON
12:04 -ANDREWSARCHUS
13:50 -MEGALANIA
15:55 -DIMETRODON
17:44 -INOSTRANCEVIA
19:24 -JAEKELOPTERUS
20:54 -PULMONOSCORPIUS
22:28 -ANOMALOCARIS
24:16 -LIVYATAN


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