T. rex Hatching Time coloring page

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Today's new drawing is of a T. rex chick hatching under its mother's care.

T. rex Hatching Time

Tyrannosaurus rex was a huge carnivorous Theropod dinosaur.  It was a good parent because it was a very successful species.  It lived 62-65 or 66 million years ago.  That's over 3 million years on Earth.  That is good for a species. This drawing shows a young mother Tyrannosaurus rex at the hatching time of her first clutch of eggs.  Later clutches will find her much bigger.  It is thought that a Tyrannosaurus rex grew until it died in its 20s or 30s.  In this picture, Mother T. rex is a young adult of maybe 17 years old.  She would have been maybe 33 feet long, but still sexually mature.  As a full-sized adult, she would weigh 8 or so tons. 

Research published last year suggested that the biggest found T. rex (estimated at 8 or so tons) may not have been the top size.  The researchers suggested that there may have been huge T. rex specimens that weighed up to 70% more... That would be 15 tons or 30,000 lbs. It may have been 50+ feet long and stood 24 feet high.  

It is known that some dinosaurs lined their nests with leaves like these.  The few Theropod eggs found, with chicks inside, indicate that the babies would need care for several years.  Other data show that Tyrannosaurs were pack animals.  So there would have been other dinosaur family or pack members to help care for the chicks. 

NOTE: To get to the printable version of this drawing, just click on the button labeled "Paleontology," then scroll down to the bottom of the Mesozoic Life section.  Have fun coloring the dinosaurs!