Spinosaurus had penguin-like bones, a sign of hunting underwater. The enigmatic predator—and its cousin Baryonyx—are the only known dinosaurs other than birds with this aquatic adaptation.

Spinosaurus bones hint that the spiny dinosaurs enjoyed water sports. Most dinosaurs were landlubbers, but this Cretaceous predator may have been found splashing in shallow waters for a meal.

Spinosaurus, the largest-known carnivorous dinosaur, ... No other dinosaurs were found with the bone density of Spinosaurus and Baryonyx, ...

University of Portsmouth. (2022, March 23). Dense bones allowed Spinosaurus to hunt underwater. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2022 / 03 / 220323125107.htm ...

Then, in 2022, a team working with聽 Ibrahim turned to Spinosaurus’ bone structure as another way to聽 test the swimming hypothesis. They looked at bone density, ...

The gigantic bones of a Spinosaurus. An 8 ton, 39-foot-long apex predator.-[Nizar Ibrahim] So, a Spinosaurus is several meters longer than T. Rex, so it is the largest predatory dinosaur known.

Fictional paleontologist Alan Grant, looking after kids Lex and Tim, tries to sneak by a dozing Tyrannosaurus rex and motor ...

Fabbri’s argument rests on data showing that Spinosaurus bones were dense like existing animals that can fully submerge, like penguins and manatees. Hence, they conclude, along with other findings ...

Well, back in 2022, a group of researchers published a paper suggesting that the bone density of the Spinosaurus’ thigh and rib bones could have allowed it to be more of a deep aquatic creature ...

Scientists created a life-sized model of its tail, based on the bones, and put it to work in the water. The strength of its propulsion lent further evidence that Spinosaurus was more like a giant ...

Spinosaurus also had dense bones, and therefore was most likely a swimmer, the Nature paper concluded. But that bone density analysis was “statistically absurd,” said Nathan Myhrvold, ...

March 23 (UPI) --Spinosaurus, the largest known predatory dinosaur, had bones dense enough to submerge itself to hunt, according to a study released Wednesday.A group of paleontologists analyzed ...