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Dinosaurs died out 65 million years
. We don't really know what they sounded like. There are many
with dinosaurs making all kinds of
and screams, but these
are just guesses that movie
make. A new
has given scientists a better
of what dinosaurs sounded like. The scientists examined a rare
from a dinosaur called an ankylosaur. The fossil is 78 million years old. It includes a
of the ankylosaur's voice box. The scientists think the shape of the creature's voice box means it
made bird-like sounds.
