Another dinosaur with tiny arms

In Chile they have identified a carnivorous dinosaur with very short arms, the fossil of a tooth was found in 1989 and the new analysis that has now been done has revealed that it is an abelisaur. It is the first of its kind found in Chile, this animal inhabited the northern chile of Chile about 92 million years ago, the place then had a climate that was probably much warmer and more humid than today, according to estimates by paleontologists this The animal would have measured between 4 and 5 meters long and weighed between 800 kilos and up to a ton, although the specimens of this species could be much larger, they could reach up to 3 tons. These dinosaurs were not as big and spectacular as the Tyrannosaurs Rex, which could be three times bigger, but this abelisaurs and although it was small, if we compare it with the current fauna, it would not have a rival, it could easily be eaten by a lion, but the An issue that intrigues scientists is because they had such tiny little arms, they were useless for hunting and apparently they were useless and yet we see them in many species of dinosaurs.

Also, this "quality" is present for many millions of years in other species, why didn't evolution just eliminate them; Some experts have proposed that the arms could have a role in mating, there are other more incredible proposals such as one of the latest, is the one proposed by the paleontologist from the University of California at Berkeley, Kevin Padían, who said that "it is possible That these arms evolved to be so small to prevent them from being bitten when a pack of predators were devouring a corpse", but in reality we don't know for sure why they were so tiny, it is another of the mysteries that remain to be solved of the dinosaur world.

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