アメリカ自然史博物館のインスタグラム(amnh) - 10月20日 21時58分

While they were neither bears nor dogs as the name suggests, the animals known as beardogs were ferocious hunters. But a Museum researcher's new study finds these prehistoric predators have evolutionary roots in animals no bigger than a chihuahua.

[BIHAKUEN]UVシールド(UVShield) 更年期に悩んだら

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