Geoscience Reference
In-Depth Information
Other theropods
Several smaller theropods are present in
Hell Creek including the 'bird mimic',
Ornithomimus
, and the 'ostrich mimic',
Struthiomimus
(
170, 171
). Both were
about 4 m (12 ft) long with small heads
and toothless beaks carried on a long
curved neck, long sprinter's legs, and long
tails for balance. They were so similar to
present-day ostriches that they probably
had a similar life style and diet of insects
and small animals. Even smaller were the
dromeosaurs, including
Dromeosaurus
itself, and
Saurornitholestes
(
172
), one of
170
170 The theropod dinosaur
StruthiomimusBHIGR.
Length 4 m 12 ft.
171
171 Reconstruction of
Struthiomimus.
172
172 Reconstruction of a
velociraptid.
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