Get All Access for $5/mo

Turns Out There Were Once Billions of T. Rexes, and They Hunted Their Prey in Terrifying Packs Scientists have discovered that the most tyrannical dinosaur was more omnipresent and socially inclined than previously imagined.

By Kenny Herzog

Mark Stevenson/Stocktrek Images | Getty Images

It turns out the majority of prehistoric creatures weren't merely outsized by the mighty Tyrannosaurus Rex — they were outnumbered by it as well. The massive carnivores apparently traveled in murderous packs, like werewolves of the Mesozoic Era — 15-feet-tall, several-ton, lizardlike werewolves with a predatory mandate to consume anything made of meat and flesh, including its own kind.

On that last point, the Utah Bureau of Land Management shared peer-reviewed findings this week that T. rexes may well have roamed for sustenance in groups of four or five, contrary to the popular notion that they barnstormed the land as solitary scavengers. The gist is this: Fossils uncovered at a relatively new discovery site inside the Grand Staircase-Escalante National Monument called the Rainbows and Unicorns Quarry (seriously) indicate that, per the Bureau's press release, a group of several tyrannosaurs "died together during a seasonal flooding event that washed their carcasses into a lake, where they sat, largely undisturbed until the river later churned its way through the bone bed." And, as T. rex expert Philip Currie added to the summary, this joins "a growing body of evidence that tyrannosaurids were capable of interacting as gregarious packs."

Related: Scientists Say They Can Recreate Living Dinosaurs Within the Next Few Years

As if that weren't already fodder for a future installment of the cinematic Monsterverse, the Bureau's news comes on the heels of recent research published in Science suggesting more than 2.5 billion T. rexes roamed the earth over a period of a few millon years. That works out to around 20,000 of the giant havoc-wreakers having their way with lesser lifeforms at any given time — and apparently in roving packs that were only humbled by climactic ruptures beyond anyone's imagination.

Just something to keep in mind as you consider the headline of that "Related" link above.

Kenny Herzog

Entrepreneur Staff

Digital Content Director

Kenny Herzog is currently Digital Content Director at Entrepreneur Media. Previously, he has served as Editor in Chief or Managing Editor for several online and print publications, and contributed his byline to outlets including Rolling Stone, New York Magazine/Vulture, Esquire, The Ringer, Men's Health, TimeOut New York, A.V. Club, Men's Journal, Mic, Mel, Nylon and many more.

Want to be an Entrepreneur Leadership Network contributor? Apply now to join.

Editor's Pick

Business News

Melinda French Gates Announces Open Call for $250 Million Fund. Here's Who Can Apply.

The fund is part of French Gates's $1 billion philanthropic plan.

Franchise

'My All-Time Favorite Menu Item': See Which '90s Fan Favorite Taco Bell Just Brought Back

The fast-food giant quietly revived a beloved menu item from the '90s. But this fan favorite is only back for a limited time.

Side Hustle

11 Side Hustles That Take Less Than An Hour Per Day

Here's a curated list of some of the most time-efficient side hustles we've seen lately.

Branding

Stop Letting Others Define You — Here's How to Take Control with a Bold Personal Brand

Here's how to build an authentic, powerful personal brand that sets you apart and positions you for long-term success.

Business News

Videos Show the Home of the Tampa Bay Rays, Tropicana Field, Being Ripped Apart By Hurricane Milton

The ballpark, built in 1990, has a domed roof designed to handle winds up to 110 mph.

Science & Technology

Cut Costs and Find Streaming Content Easier with BitMar

A lifetime of streaming for just $19.99.