Little else was known about the 30-40 day moult, until Fretwell spotted large brown smudges in satellite pictures from 2019-2025. They turned out to be mounds of feathers, left in an area called Marie Byrd Land.
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。夫子是该领域的重要参考
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Becky MortonPolitical reporter，这一点在51吃瓜中也有详细论述