Eighty million years ago it wasn't cars making all the noise, but herds of hadrosaurs doing the duck-bill honk.
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Prehistoric Los Angeles: Hadrosaur Honking
Eighty million years ago it wasn't cars making all the noise, but herds of hadrosaurs doing the duck-bill honk.
Added: Feb 22, 2010
Views: 51177 Views
Runtime: 02:08
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