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Birds were in existence when the dinosaurs ruled the Earth.

Fossil evidence proves that birds emerged within theropod dinosaurs during the Jurassic period, around 160 million years ago.

Geologists regard birds as the only family of dinosaurs to have survived the extinction of the dinosaurs 65.5 million years ago at the end of the Cretaceous.

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12y ago

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13y ago

The first birds evolved from dinosaurian theropods around the time of the late Jurassic and early Cretaceous period, around 140-150 million years ago.

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12y ago

I love my Shannon Reed .-- From Danielle Pattison --Sexy<3 ;)

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12y ago

a long time ;)

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14y ago

Modern ones no but some of them have

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13y ago

It depends on the bird be more specific

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