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Considering how fast the field of dinosaur studies is moving, this needs a (2012) tag.

What’s changed in the past 10 years?

More polish on coprolite dating techniques with tooling improvements in the lab?

More feathers?

Available on Kindle for $3: https://smile.amazon.com/dp/B008HNMAJG/

I recently learned that the T. Rex likely had lips covering its teeth, smooth skin with no feathers, and was much more "chubby" than its normal depictions.

https://www.sciencealert.com/chubby-naked-t-rex-most-accurat...

The Complete Dinosaur (2012)