Tyrannosaurus Rex

Tyrannosaurus rex · Reptile, Vertebrate, Cold-blooded (historically debated), Extinct Wild

Tyrannosaurus Rex

Animal Family

Tyrannosauridae, order Saurischia, class Reptilia

Animal Category

Wild Predator

Breed / Variety

Tyrannosaurus rex

Conservation Status

Extinct (EX)

About This Creature

A massive bipedal carnivorous dinosaur reaching up to 12-13 meters in length and weighing around 8-9 metric tons, featuring a heavily muscled body, a massive skull balanced by a long, heavy tail, and characteristic tiny two-fingered forelimbs.

Physical Characteristics

Massive skull with binocular vision, powerful jaws with banana-sized serrated teeth, robust neck muscles, small vestigial arms with two digits, and thick scaly skin.

Behavior & Temperament

Apex predator, solitary or potentially hunting in small family groups, relying on exceptional olfactory senses and vision to track prey.

Habitat & Diet

Origin Region

North America (Laramidia)

Habitat

Forest and humid, semi-arid plains; Terrestrial

Diet & Nutrition

Carnivore, preying on large herbivorous dinosaurs such as Triceratops and Edmontosaurus, using crushing bite force.

Lifespan & Health

Estimated lifespan of roughly 20 to 30 years in the wild; mortality driven by intraspecific combat, disease, and starvation.

Special Characteristics

Possessed one of the strongest bite forces of any known terrestrial animal and exceptional sense of smell.

Ecological Information

Apex predator of the Late Cretaceous ecosystem, regulating herbivore populations and shaping floral and faunal dynamics.

Identified on 9/21/2026