Ancient Nests

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Dino nests

Above, a reconstruction of a previously found Protoceratops andrewsi fossil shows the herbivore's distinctive head frill and beaklike mouth. Protoceratops is a primitive member of Ceratopsia, the dinosaur group that includes Triceratops. Adults could grow to around six feet (two meters) long.

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Dino nests
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Dino nests

The fossil dinosaurs huddle together in the ancient nest.Scientists once believed that dinosaurs generally followed a crocodile-like model of child care"they would lay their eggs and leave their nests for good. This idea was replaced by the view that dinosaurs raised their young for a time after hatching, the way many birds do.

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Dino nests
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Dino nests

As seen above, all of the young Protoceratops in the newfound nest are facing the same direction, giving scientists a clue to how they died.

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Dino nests
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Dino nests

A close-up view shows the head of one of the young Protoceratops with its tiny beaked mouth.Another fossil discovered in the same region shows an adult Protoceratops and a velociraptor locked in an apparent death grip.

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Dino nests
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Dino nests

Side view shows the jumble of bones in the fossil dinosaur nest.

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Dino nests
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