Hadrosaurs were the most abundant dinosaurs in Alberta in the Late Cretaceous.
They flourished until the end of the period (some 30 million years ago).
Their remains have been found in many parts of the world, including Europe and South America.
Figure 2
China and Mongolia have been sources of many specimens, some of which are
remarkably similar to those found in Alberta.
Impressions of skin have been found in the sediments of
Dinosaur Provincial Park. Their skin was covered by small bumps called
"tubercles". Some were the size of nail heads, others were larger than
quarters.
These wide range findings suggest that adaptability played a
major role in their success.
Recent evidence suggests they may have migrated seasonally,
like the modern caribou.
Distribution
