the biggest dinosaur was the brachiosaurus
The biggest footprint found so far is 1.5 cm across.
seismosaurus was 80 ft tall, 175 ft long and it was 300,000 lbs
The largest dinosaur name is Micropachycepahalosaurus. The shortest is Minmi.
Although, Dinosaurs didn't fly, The biggest Flying Vertebrate was a creature called Quetzocoatlus (Quet-soh-coat-lus). People Recognize Quetzocoatlus as the 'feathered snake' from the Aztec...
It is very big more than elephant ... nd very very dangerous animal too