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Scientists Just Found The Earliest Evidence of Social Behaviour in Mammals – ScienceAlert
How long have mammals been social creatures? At least since the Late Cretaceous part of the dinosaur age, according to a new study, which puts back the earliest…

How long have mammals been social creatures? At least since the Late Cretaceous part of the dinosaur age, according to a new study, which puts back the earliest evidence of the behaviour by some 10 million years.
Studying fossils of the small rodent Filikomys primaevus (meaning “youthful, friendly mouse”) dated to around 75.5 million years ago, palaeontologists have discovered evidence of the animals hanging out and living in groups.
We’re not just talking about adults bringing up their young the…
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