Some dinosaurs that were facing a resource-scarce environment in present-day Colorado resorted to scavenging and possibly cannibalism, a new study showed.
According to a study published Wednesday in the journal PLOS ONE, tooth marks on fossil bones revealed the ancient beasts' eating habits, which possibly included one type of dinosaur turning to its own kind for food.
Stephanie Drumheller, who works in the paleontology department at the University of Tennessee, Knoxville, and her colleagues found that nearly 29 percent of 2,368 examined bones from the Mygatt-Moore Quarry of Colorado, which dates back to about 150 million years ago, bore the bites of theropod dinosaurs.
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