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Examples
1. The fluff was made of simple feathers A bird's more complex flight feathers are rigid and have a central spine called a vane.
2. Using electron microscopes, scientists can tell that Archaeopteryx had black and white feathers and that Sinosauropteryx had reddish and white stripes Since Sinosauropteryx, there's been a never-ending parade of fluffy dinosaurs Some of them have simple Dinofuzz, but others have feathers that start to look a lot like the flight feathers of birds.
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