アメリカ自然史博物館のインスタグラム(amnh) - 2月13日 04時58分

It's a ferocious #FossilFriday. Workers of two different ant species are seen here fighting in a 100-million-year-old amber fossil.
Fighting ants, giant solider termites, and foraging worker ants recently discovered in ancient amber provide direct evidence for advanced social behavior in early ants and termites.
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AMNH/D. Grimaldi, P. Barden

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