Dinosaurs, the largest creature to ever set foot on earth have been extinct for millions of years, even before the first prodigy of humans was created. Yet, it’s not hard to believe that we indeed co-live with the relatives of the great species. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.

For a long time, we believed that Dinosaurs were a diverse group of reptiles of the clade Dinosauria. But do you know that the new studies suggest that they were in fact birds? For years, the paleontologist’s believed that the only fossil link between birds and dinosaurs is archaeopteryx, a winged creature with teeth and long bony tails. And many predict that few birds are the result of the evolution of archaeopteryx. Archaeopteryx seemed to emerge fully-fledged with the characteristics of modern birds. And just like this, there are several odd facts about the extinct species.

Here are few interesting facts about Dinosaurs that we bet you might not know!

Mind-boggling facts:

The great T-Rex is linked to Chickens and Ostriches. The closest living relatives of Tyrannosaurus rex are birds such as chickens and ostriches, according to research.

Tyrannosaurus rex also known as T-rex, one of the most dangerous dinosaurs known so far was actually human-sized. For the first 80 million years, the species remained small the same size as humans.

Contrary to the thought that the T-rex was the biggest dinosaur, Titanosaurus was in fact the biggest dinosaur ever found. Based on the size of the thigh bones, scientists believe that it was even bigger than the blue whale. However, if we go by weight, blue whales are heavier. While, on the other hand, T-rex doesn’t even come under the list of the 15 biggest dinosaurs. 


Suzhousaurus was one of the weirdest dinosaurs, as it looked like a giant rat. The dinosaur has a furry body which proves that it is a distant relative of rats. Most of the dinosaurs had feathers on their body and not fur and scales.

All dinosaurs were not huge! The smallest dinosaur was Compsognathus and was just about the same size as that of a chicken.

Do you know that dinosaurs lived for 160 million years which is six times the time humans have lived!

Researchers have found a new species of horned dinosaur and named it “Hellboy”. Because of crown-shaped horns and stubby eyes straight out of a comic book, the name was suggested.

Dinosaurs have lived on every continent on earth including Antarctica.

Mosasaurs, ichthyosaurs, pterosaurs, plesiosaurs, and Dimetrodon are not considered dinosaurs. Despite their pre-historic outlook, they are not dinosaurs and were extinct even before the dinosaurs.

Megalosaurus was the first dinosaur to be discovered and named.  In 1824, William Buckland gave the first dinosaur its name assuming it was a giant extinct reptile.

Sir Richard Owen, a Victorian scientist first coined the term Dinosauria in 1842. The giant’s reptiles previously assumed as giant lizards got their name and since then it changed the way the world sees giant fossils.

Scientists believe dinosaurs became extinct somewhere between the Cretaceous and Paleogene eras, about 66 million years ago. At a time when there was a worldwide environmental change that resulted from the impact of a large celestial object with the Earth from vast volcanic eruptions.

Early research proved that an average lifespan of a dinosaur was 300 years; however, new research remains skeptical about how long a dinosaur can survive.


The brain size of a dinosaur was similar to the size of a lime. And the smartest dinosaur was as smart as birds. Troodon had a large brain for its relatively small size and was probably among the smartest dinosaurs.

The plesiosaur was a marine reptile that lived at the same time as dinosaurs and became extinct around the same era.

The concept of Jurassic Park can become true one day! According to scientists, technological advancements can bring back dinosaurs sometime between now and 2025. (I personally won’t like that, how about you?)

Unlike the famous perspective of Dinosaurs being carnivorous, the vast majority of them are actually plant-eaters.

A study of fossilized dandruff fragments shows that like snakes, dinosaurs too shed their skins. Researchers suggest that dinosaurs shed their skin in small amounts and not just once like modern-day creatures.

Dinosaurs aren’t really extinct! Yes, you heard the right. In reality, we co-live with dinosaurs, according to some scientists, birds aren’t just distant relatives of dinosaurs they are actually dinosaurs themselves. Because the categorization of the species doesn’t take evolution into account, the theory isn’t much popular.

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