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Tiny mammals once scavenged meat from giant dinosaur carcasses
The first mammals probably mostly ate insects, but bite marks on a bone fragment suggest they occasionally scavenged meat from giant dinosaur carcasses
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The first mammals probably mostly ate insects, but bite marks on a bone fragment suggest they occasionally scavenged meat from giant dinosaur carcasses
A 99-million-year-old skull recently discovered in amber might actually belong to a lizard, rather than a tiny bird-like dinosaur as first thought