Birds

The Cretaceous Extinction and Beaked Birds

3 monthes ago   |   By Ornithology

The Cretaceous, a geological period that lasted from about 145 to 66 million years ago , is the third and final portion of the Mesozoic Era, as well as the longest.
In the early Cretaceous, the continents were in very different positions than they are today. There was a major landmass, a supercontinent called Pangaea. By the end of the period 79 million years later, Pangaea had broken apart into continents which came to be much closer to the places they are today due to what is called continental drift, or better, plate tectonics.
At the end of the Cretaceous, 66 million years ago a large...
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