Back طيريات الأجنحة Arabic طيريات الاجنحه ARZ Авиали Bulgarian Avialats Catalan Avialae Czech Avialae German Avialae English Avialae Spanish پرندهبالان Persian Avialae Finnish
| Avialae | |
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Avialae is a term for birds and their immediate extinct ancestors. It is a clade of dinosaurs containing their only living representatives (birds) and whatever coelurosaurs are regarded as their ancestors. There are two ways it can be defined: