Tyrannosaurus Rex

Tyrannosaurus Rex

Brachiosaurus

Brachiosaurus

Ecosystem

Forested plains, floodplains

Forests and floodplains

Diet

Carnivore

Herbivore

Time Period

Late Cretaceous

Late Jurassic

Continent

North America

North America, Africa

Weight

~9 tons
~50-60 tons

Height

~12-15 ft
~40-50 ft

Bite Force

~12,800 psi
~500

Speed

~12-20 mph
~5-10 mph

Timeline of Discovery

1902: Tyrannosaurus Rex

Discovered by: Barnum Brown
Location: Hell Creek Formation, Montana, USA
Key Fact: The first T. Rex fossil was a partial skeleton, including the skull and vertebrae. It was named by Henry Fairfield Osborn in 1905.

1900: Brachiosaurus

Discovered by: Elmer Riggs
Location: Colorado, USA
Key Fact: Brachiosaurus was one of the tallest and heaviest dinosaurs, with its long neck allowing it to reach vegetation high above the ground.

1990: T. Rex "Sue"

Discovered by: Sue Hendrickson
Location: South Dakota, USA
Key Fact: "Sue" is the most complete and well-preserved T. Rex skeleton ever found, with over 90% of its bones recovered.

Fun Facts

T. Rex Had Feathers

Young T. Rex dinosaurs were covered in feathers, which they lost as they grew older.

Brachiosaurus Ate Trees

Brachiosaurus could reach vegetation up to 50 feet high, thanks to its long neck and towering height.

More Details

The Tyrannosaurus Rex and Brachiosaurus were two iconic dinosaurs, but they were vastly different in size, diet, and behavior. T. Rex was a fearsome predator of the Late Cretaceous, while Brachiosaurus was a gentle giant from the Late Jurassic. T. Rex, the "king of the dinosaurs," weighed up to 9 tons and stood 12-15 feet tall. Its powerful jaws and bite force of ~12,800 psi made it one of the most formidable predators of all time. Despite its size, T. Rex could reach speeds of 12-20 mph, making it a deadly hunter. Brachiosaurus, on the other hand, was one of the largest dinosaurs, weighing 50-60 tons and standing 40-50 feet tall. Its long neck allowed it to reach vegetation high above the ground, and its massive size made it nearly invulnerable to predators. Brachiosaurus was a slow-moving dinosaur, with a top speed of only 5-10 mph. In a hypothetical encounter, T. Rex would have the advantage due to its predatory instincts and powerful bite. However, Brachiosaurus's sheer size and strength would make it a challenging opponent. While T. Rex could inflict serious damage, Brachiosaurus's size and defensive capabilities would make it a formidable adversary. Final Verdict: T. Rex Wins 6/10 Times!