AMAZING T--REX
TYRANNOSAURUS REX OR T- REX LIVED IN WESTERN NORTH AMERICA. AT THAT TIME, THIS CONTINENT WAS KNOWN AS LARIMIDIA. THE T- REX LIVED DURING THE CRETACEOUS PERIOD, BETWEEN 85-66 MILLION YEARS AGO. THE T- REX IS BELIEVED TO BE ONE OF THE LAST NON- FLYING DINOSAURS.
IT WAS A VERY LARGE PREDATOR. ITS LENGTH REACHED NEARLY 40 FEET AND HEIGHT 13 FEET AT THE HIPS. THE T- REX WEIGHED FOUR TO SEVEN TONS. BASED ON THE STUDY OF FOSSILS, SCIENTISTS SAY THAT THE T- REX HAD A MASSIVE SKULL AND A LONG, HEAVY TAIL TO SUPPORT ITS BODY WEIGHT. THE ARMS WERE PROPORTIONALLY VERY SMALL BUT POWERFUL. THE HIND LEGS WERE LONG AND POWERFUL. THE T- REX IS BELIEVED TO HAVE POSSESSED THE MOST POWERFUL BITE OF ANY LAND ANIMAL THAT EVER LIVED ON EARTH. ACCORDING TO SCIENTISTS, THE BITE OF A T- REX WAS THREE AND A HALF TIMES MORE POWERFUL THAN THAT OF A GREAT WHITE SHARK AND FIFTEEN TIMES MORE POWERFUL THAN THE BITE OF AN AFRICAN LION.
SCIENTISTS ALSO BELIEVED THAT T- REX HAD FEATHERS ON ITS BODY BUT THEY COVERED ITS BODY ONLY PARTIALLY . HOWEVER, THEY ARE NOT SURE WHETHER THE T- REX WAS COLD - BLOODED OR WARM - BLOODED. THE BIG HEAD OF THE T- REX SUPPORTED A JAW THAT WAS AT LEAST FOUR FEET THICK AND CONTAINED 50- 60 TEETH. SOME THEETH WERE UPTO 9 INCHES LONG. IT USED ITS POWERFUL TEETH TO EXTRACT FLESH FROM ITS PREY AND TO CUT IT UP IN ITS MOUTH. AN ADULT T- REX COULD EAT OVER 500 POUNDS OF MEAT AND BONE IN A SINGLR BITE. THE TYRANNOSAURUS HAD A VERY KEEN SENSE OF SMELL.
IN 1990, FOSSIL HUNTER SUE HENDRICKSON FOUND A NEARLY 85 PERCENT COMPLETE FOSSIL OF TYRANNOSAURUS REX . IT WAS ACQUIRED BY THE FIELD MUSEUM OF NATURAL HISTORY FOR 8 MILLION DOLLARS. THE MUSEUM SPENT YEARS REMOVING ROCK FROM THE BONES. THE T- REX WAS INDEED AN AMAZING CREATURE!
SOME FACT ABOUT DINOSAUR
1) THE LONGEST DINOSAUR - SEISMOSAURUS WAS THE LONGEST DINOSAUR. IT WAS OVER 40 METRES LONG (AS LONG AS FIVE DOUBLE- DECKER BUSES).
2) THE HEAVIEST DINOSAUR - BRACHIOSAURUS WAS THE HEAVIEST DINOSAUR. IT WEIGHED 80 TONNES ( EQUIVALENT TO 17 AFRICAN ELEPHANTS). BRACHIOSAURUS WAS ABOUT 16 M TALL AND 26 M LONG.
3) THE DINOSAUR THAT HAD THE BIGGEST CLAWS - THERIZINOSAURUS HAD THE BIGGEST CLAWS. ITS HANDS WERE CAPABLE OF REACHING OVER TWO FEET IN LENGTH .
4) THE BRAINIEST DINOSAUR - TROODON WAS THE MOST INTELLIGENT DINOSAUR. IT WAS ABOUT 2 METRES LONG. ITS BRAIN SIZE WAS SIMILAR TO THAT OF A MAMMAL OR BIRD OF TODAY.
5) THE DUMBEST DINOSAUR - STEGOSAURUS WAS THE DUMBEST DINOSAUR. IT HAD A BRAIN THE SIZE OF A WALNUT - ONLY 3 CENTIMETRES LONG AND WEIGHING 75 GRAMS.
6) FIRST DINOSAUR TO BE NAMED - MEGALOSAURUS WAS THE FIRST DINOSAUR TO BE GIVEN A SCIENTIFIC NAME - BY WILLIAM BUCKLAND IN 1824.
7) THE FASTEST - RUNNING DINOSAUR - DROMICEIOMIMUS WAS THE FASTEST DINOSAUR THAT EVER LIVED. IT COULD RUN AT SPEEDS OF UP TO 60 KILOMETRES PER HOUR.
8) THE LONGEST DINOSAUR NAME - MICROPACHYCEPHALOSAURUS WAS THE DINOSAUR WITH THE LONGEST NAME. ITS MEANING IS 'TINY THICK-HEADED LIZARD '.
9) THE FIERCEST DINOSAUR - UTAHRAPTOR WAS THE FIERCEST OF ALL DINOSAURS. IT MEASURED ABOUT 7 METERS, AND WAS A VERY POWERFUL, AGILE AND INTELLIGENT PREDATOR.

