The Rise & Fall of the Terror Birds
Muse Science Magazine for Kids|March 2020
AFTER THE DINOSAURS, A NEW PREDATOR REIGNED IN SOUTH AMERICA. FOR A WHILE.
Charles C. Hofer
The Rise & Fall of the Terror Birds

Welcome to Florida . . . 3 million years ago. One day this land will be dominated by gentle breezes, palm trees, and grandparents. But today, it is ruled by a terrifying beast.

This monster stands taller than a basketball hoop. It has an enormous razor-sharp beak that can slice through flesh and crack bones. If it lays eyes on you, there’s little point in running away. Long, strong legs make it one of the fastest animals on land. Its speed and strength are rivaled only by its appetite for fresh meat. This creature is Titanis walleri, the largest of all terror birds.

Terror birds (family Phorusrhachidae) were gigantic, flightless birds that rose to the top of the food chain after the Cretaceous Period came to a close. For more than 60 million years, terror birds ruled the roost as a top predator. Then they disappeared.

The rise and fall of the mighty terror birds is a story about a change. It’s a story about evolution’s winners and losers. And the terror birds were big, big winners . . . until they weren’t.

A Changing Planet

Like most of today’s plants and animals, the story of the terror birds begins in the Cretaceous Period. Life on Earth changed a lot during the Cretaceous. The huge land mass of Pangaea split apart. Over millions of years, the Earth’s plates moved inch by inch through the process of continental drift. Eventually the continents of Asia and North America and Africa formed. However, land bridges still connected these giant landmasses, allowing plants and animals to move back and forth between the new continents.

This story is from the March 2020 edition of Muse Science Magazine for Kids.

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This story is from the March 2020 edition of Muse Science Magazine for Kids.

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