cockle shells
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Greater Vasa Parrots Grind Seashells To Make Own Vitamins
An innovative use of tool-making was recently observed in a captive population of greater vasa parrots. It turns out these resourceful birds make tools to grind seashells into nutritious calcium powder.
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Climate Change is Reducing Dust Levels Worldwide as Arctic Temperature Warms [Study]
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Shrinking Ozone Holes in Antarctica Threatens Breeding Season of Seals, Penguins Due to UV Exposure
