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Jurassic World vs Science. Did Dinosaurs Have Feathers?

Jurassic World vs Science. Did Dinosaurs Have Feathers?
Yareah Magazine

Jurassic World by Colin Trevorrow was released by Universal on June 10, 2015 in European countries, June 11 in Australia, India and Malaysia, and June 12 in North America. It has been a great success and everybody wants to know more about dinosaurs. Then maybe it’s a good moment to read this information by the Natural History Museum in London. Enjoy your day, Yareah friends!

Jurassic World is the fastest film to earn $1 billion, the third-highest-grossing film of 2015, the seventh-highest-grossing film of all time, and the highest-grossing film in the Jurassic Park film series. The movie stars Chris Pratt, Bryce Dallas Howard, Vincent D’Onofrio, Ty Simpkins, Nick Robinson, Omar Sy, B. D. Wong, and Irrfan Khan.

Jurassic World vs Science. Did Dinosaurs Have Feathers?

Chris Pratt in Jurassic World

Origins of feathered dinosaurs more complex than first thought:

It is too soon to claim that the common ancestor of dinosaurs had feathers, according to research by scientists at the Natural History Museum, Royal Ontario Museum and Uppsala University.

A new study, published in the journal Biology Letters, suggests that feathers were less prevalent among dinosaurs than previously believed. Scientists examined the fossil record of dinosaur skin and combined this with an evolutionary tree to assess the probability of feathers appearing in different dinosaur groups. This analysis demonstrated that the majority of non-avian dinosaurs were more likely to have scales than to exhibit signs of ‘feather-like’ structures.

The controversial findings will add further fuel to a fierce debate among scientists as to whether the majority of dinosaurs were feathered or scaly.

Chris Pratt in Jurassic World

Chris Pratt in Jurassic World

Over the past two decades a number of spectacularly preserved dinosaur fossils with feathers have revolutionised the field of palaeontology. Due to the conflicting presence of scales and feathers in these new specimens, many scientists are convinced that this is an area of study that deserves further research.

The presence of feathers in birds and their immediate ancestors – theropod dinosaurs like Velociraptor – is uncontroversial, but their presence or absence in other dinosaur groups, such as those including Triceratops and Diplodocus, has been highly debated. Several recent discoveries had suggested that filament-like ‘protofeathers’ might be ubiquitous among dinosaurs, but the new research suggests that the common ancestor of dinosaurs did not necessarily have protofeathers and that the quills and filaments in some major plant-eating dinosaur groups were evolutionary experiments that were independent of true feather origins.

Dinosaur biology remains a disputed and competitive area of research. The Natural History Museum’s Professor Paul Barrett said: “Using a comprehensive database of dinosaur skin impressions, we attempted to reconstruct and interpret the evolutionary history of dinosaur scales and feathers. Most of our analyses provide no support for the appearance of feathers in the majority of non-avian dinosaurs and although many meat-eating dinosaurs were feathered, the majority of other dinosaurs, including the ancestor of all dinosaurs, were probably scaly.”

The Royal Ontario Museum’s Temerty Chair and Curator of Vertebrate Palaeontology Dr David Evans said: “The origin of the direct filamentous precursors to feathers remains difficult to pinpoint. Whether or not the first dinosaurs had true ‘protofeathers’ will only be resolved with the discovery of more fossils, particularly from early in dinosaur evolutionary history.”

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