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Did birds retain any features from their theropod ancestors?

Sagot :

Therapods are a group that includes extinct groups of dinosaurs and modern birds. The members of these groups are put together because they share a certain set of characteristics, for example:

• Extremely hollow limbs bones

,

• Obligate bipeds, with shortened forelimbs in relation to hind legs.

These characteristics can also be observed in modern-day birds.