Unveiling the Growth Secrets of T. Rex: A Slow and Steady Giant

A study suggests that the Tyrannosaurus Rex reached its massive size over 40 years, contradicting earlier estimates of a quicker growth period. By examining fossilized leg bones, researchers discovered a flexible growth pattern influenced by environmental conditions. These findings shed new light on the T. Rex's evolutionary strategies.

A new study has revealed that the iconic Tyrannosaurus Rex did not achieve its gigantic size as quickly as previously thought. By examining the microstructure of leg bones from 17 T. Rex fossils, researchers concluded that the dinosaur took about 40 years to reach its full potential weight of 8 tons, significantly longer than earlier estimates.

The research, led by Holly Woodward of Oklahoma State University, showed that the T. Rex experienced a gradual growth trajectory. By examining growth rings in the leg bones, similar to tree rings, the study found that the dinosaur's growth pattern varied with environmental conditions and available resources.

This expanded understanding suggests that T. Rex was better equipped to survive harsh conditions by adopting a more flexible growth strategy, allowing it to eventually outgrow competitors. The findings, published in the journal PeerJ, also propose a T. Rex lifespan reaching up to 50 years, extending well beyond past estimates.

(With inputs from agencies.)