科学
Fossil bite marks suggest first evidence of a small raptor feeding on an apex predator
来源: Phys.org · 发布于

A prehistoric cold case near Drumheller reveals either a small-time raptor scavenged on an apex predator, or a baby Albertosaurus engaged in a shocking act of cannibalism. These two possible…
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- #predator
- #raptor
- #small
- #apex
- #albertosaurus
- #prehistoric
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