ナショナルジオグラフィックのインスタグラム(natgeo) - 10月25日 03時55分

?:by @drewtrush // Did you know that thousands of years ago elk used to have tusks? Scientists believe that these tusks were used for fighting and over the centuries have gotten smaller and smaller. Native americans would often adorn their clothing with the remnants of these tusks, now called elk ivory. Now days, they are commonly used in western jewelry. Have you ever seen elk ivory? •
Follow along with me @drewtrush to learn more about the natural world.
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#nature #wild #elk #photography @natgeocreative @thephotosociety

[BIHAKUEN]UVシールド(UVShield)

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