This fossil was a remarkable twofer: a dinosaur jaw plus an insect trapped in amber, all in one 75 million-year-old find. ScienceMagArchives
It isn't every day that scientists dig up a dinosaur jaw—or unearth the remains of fossilized insects. So paleontologists couldn't believe their luck when, in 2010, they found the 75-million-year-old jawbone of a duck-billed hadrosaur in Dinosaur Provincial Park in Canada's Alberta province, topped with a 7-centimeter-wide blob of amber containing traces of trees and sap-sucking aphids .Scientific Reportshadrosaur died—and the flesh had decayed off its jawbone—it washed into a river.
The find—the first of its kind in North America—carries a cargo of secrets about the dinosaur's environment. For example, the plant and insect traces inside confirm what many paleontologists already hypothesized: Some hadrosaurs, including the 9-meter-long
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