Although the climate was warmer during the Cretaceous period, when the hadrosaurs
lived, Antarctica was situated near the pole and would have been dark for several months each year.
One is that in some areas the vegetation wasn't wiped out and a number of the hadrosaur
Other parts of the hadrosaur
skelton also displayed numerous injuries.
These observations support earlier evidence that newly hatched hadrosaurs
remained nest-bound until they grew to sufficient length and developed fully formed joints.
bones are found in Asia and western North America, which presumably were joined by a land bridge during the late Cretaceous.
The European hadrosaur
faunas are different from those seen in North America and Asia, which are both dominated by evolved species," explained Pereda-Suberbiola.
LEFT: Karen Chin, palaeontologist, RIGHT: Scientists say the plant-eating dinosaurs were probably hadrosaurs
, large duck-billed dinosaurs that ate plants and thrived in the area.
roamed in great herds, leaving tracks as small as softballs and as large as hula hoops.
Eight years ago, Tweet and colleagues reported the probable stomach contents of a hadrosaur
(Brachylophosaurus canadensis) nicknamed Leonardo.
The samples included the claw of a meat-eating dinosaur, a few toe bones from a ceratopsid (a group that included the horned Triceratops) and a duck-billed hadrosaur
, and rib fragments from an unknown species.
2012): New hadrosaur
remains from the Late Maastrichtian of Huesca (NE Spain).
As only a single indeterminate fossil was found, no phylogenetic comparisons between this hadrosaur
and contemporaneous forms in Europe and southern Appalachia can be made.
Paleontologists said they have uncovered 50 vertebrae of Mexico''s first complete dinosaur tail of what they believe may be the remains of a Hadrosaur
or crested duckbill dinosaur.
Surrounded by Viking swords, hadrosaur
skeletons, Egyptian mummies, and ancient Daoist murals, with two towering totem poles just to the east, the ROM provided the perfect setting for an occasion celebrating diversity of cultures.
Some of the more fascinating fossils consist of the head of a Triceratops which is around 68 million years old, the head of an Ichthyosaurus which is around 200 million years old and a complete nest of the Hadrosaur
, which is around 144 to 165 million years old.