Why the most exciting discoveries about the lives of dinosaurs are still to come | Dave Hone

With each new find, such as the dinosaur leg recently unearthed in North Dakota, scientists build a more colourful picture of the ancient reptilesPhotograph: BBC/BBC StudiosPhotograph: BBC/BBC Studioslthough they became extinct 66m years ago, dinosaurs are always news. The latest manifestation of that is the media shower generated byof the perfectly preserved leg, including remnants of skin, of a dinosaur in North Dakota.

We have also discovered microscopic structures called melanosomes that in part give feathers and skin their colours, and allow palaeontologists to begin to reconstruct the colours and patterns of these animals. That’s an astounding change in our ability to produce information from the fossil record and opens up enormous future possibilities for research.

It’s a fascinating find and some great deductive work went into eliminating the possible explanations to leave this as the most likely one. However, while it provides extraordinary information about how at least one dinosaur was trying to find a mate, it leaves far more questions unanswered. Telling dinosaurs apart from their tracks is not easy, and “large carnivorous dinosaur” is about as close as it gets.

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