T Rex vs. Mammoth


Dinosaur lovers worldwide have always been curious about how vicious the “king of dinosaurs” truly was. It is common knowledge that the T-Rex was the king during its time period. Still, scientists and fans alike have thought about what would happen between the carnivorous Rex compared to other giants throughout the ages. So, in this case, who would win in a battle between the T-Rex vs. Mammoth?

Dinosaur experts agree that the T-Rex would prevail over the mightiest of Mammoths. The tusks of the Woolly Mammoth would substantially damage the Tyrannosaurus Rex, but the Rex would use its powerful jaws to chomp down on the neck of the Mammoth, killing it without any problem.

What it all boils down to is the food chain. The T-Rex is at the top of the food chain, and even though the Mammoth is a giant and formidable opponent, a herbivore would not be able to win in a one-on-one battle. Let’s dig into both of these amazing dinosaurs a little more so we can see precisely why this is the case.

Trex Vs mammoth

Head To Head: T Rex vs. Mammoth

The T-Rex has been dubbed the king for a substantial amount of time, and even though it died off long ago, it is still in the limelight. Whenever someone brings up the subject of dinosaurs, the first thought will almost always go towards the Rex. The Mammoth was no slouch, though. In fact, they lived through the ice age that helped kill off many other species, so they could definitely hold their own and realistically their only predator was man.

Meet The Mighty T Rex (Tyrannosaurus Rex)

The T-Rex was one the most fierce hunters back when the land was pure and the strong fed on the weak. The Rex was designed for dominance straight out of the gate. It has been said by some scientists that the king preferred to eat game that was already dead, much like the Grizzly Bear today. But, just like the bear, the Rex would not shy away from live meat if it was lucky enough to cross its path.

  • T-Rex lived 65 million years ago during the upper Cretaceous Period.
  • They would survive by eating armor-skinned dinosaurs or other Rex.
  • The North American forests were its stomping grounds.
  • Rex used its tail to help it balance.
  • Rex could walk fast (probably not at a run) up to 13mph.
  • Its sense of smell was amazingly high.
  • The average life span of the T-Rex is only 28 years.

The T-Rex was not a king that any dinosaurs wanted to mess with. Smaller, more agile species could outrun and avoid becoming a snack, but larger dinosaurs that were not as nimble had no chance. Dinosaurs, such as the Triceratops, were the most common prey for the Rex, but it was not picky. It was as good as dinner if it was alive and could be caught.

Meet The Woolly Mammoth

The Mammoth lived a long time through the ages. So long that scientists have found evidence that they lived past the time when the Pyramids were constructed in Egypt. It can even be argued that they live on today in the African Elephant, which has the exact DNA as the Mammoth. They are not the same thing but an adapted version that survives in the African jungles rather than in the frigid cold of the wastelands.

  • Mammoths lived 2.6 million to 10,000 years ago during the Pleistocene Epoch and early Holocene Epoch (the period in which we are still living.)
  • They were herbivores that mainly grazed on grass.
  • The Mammoth began life in the regions of Africa and slowly moved up into Southern Europe. From there, they spread out to the tundras of North America.
  • They were adapted for the cold weather. Short ears, long hair, and numerous layers of fat.
  • They had an estimated running speed of up to 25 mph.
  • The Mammoth could live as long as 60 years.
  • The tusks were not designed to be weapons. Instead, they helped dig through the ice and snow to get to the grass underneath.

The tusks on the Mammoth were long and came to a point, making them appear to be formidable weapons. Except for the very young, the tusks were rounded off from use. That is not to say that they could not be used in a fight, though, because they were made from ivory, a solid material that formed an excellent thrusting weapon.

The Comparison: T-Rex vs. Mammoth

The T-Rex was the king of all the carnivores, while the Mammoth was one of the strongest and most resilient of the herbivores. That is why a battle comparison between the two seems so unfair for the Mammoth. They were adapted to living in herds and grazing for grass and other low-level plants. The Rex was created for killing and carnage. Let’s dig a little further into the specifics.

TeethSerrated for ripping meatCone shaped for vegetation
Bite power12,000 pounds2,175 pounds
Length43 feet21 feet
Height21 feet11.2 feet
Weight15,000 pounds13,200 pounds
Speed17 mph25 mph
Brain sizeLargeMedium

Throughout all the years of schooling and reading, it has been stated that the Mammoth is a large creature that could hold its own against any attacker. The facts are in the data above, though. The only advantage that the Mammoth had over the T-Rex was the speed. A speed that would not do them any good when considering how long they could run. The T-Rex did not run, so they could fast walk behind the herd for as long as it would take.

The tusks on the Mammoth could cause some injury, but they were not designed for fighting, so they could not compare with the biting power of the T-Rex. Once those fangs dug into the warm meat of the Mammoth, that would be it. The Mammoth would fall prey to the king as its herd left the scene behind.

We have a huge selection or articles to answer the common and some less common questions about the Tyrannosaurus Rex here on the site and to make it easier to access we have them in the table below.

How heavy was T-RexDid T-Rex Ever Eat PlantsT-Rex Vs. MammothDid T-Rex have Bad Eyesight
Did T-Rex RoarHow Tall was T-rexDifferences between T-Rex and VelociraptorDid T-Rex Hunt in packs
T-Rex Vs SpinosaurusHow big was a T-Rex BrainCould T-Rex Swim?Did T-Rex have Wings
Did T-Rex Lay EggsClosest living relative to T-RexTriceratops Vs. T RexHow fast could T-Rex run
How big was a T-RexT Rex Facts


The T-Rex would not find the Mammoth to be much of a challenge in a battle. It has the size advantage, the biting power advantage, and a brain that was relatively large for its size. The T-rex was a cold, calculating hunting machine that would tear into a herd of Mammoths without hesitation.

Fortunately, they did not live within the T-Rex’s time of life. Otherwise, they may have been extinct long before they could have transformed into the Elephants that we are all familiar with today. This would have been a shame because they are one of the most majestic animals on Earth today.


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