哦，這個我也有過，一位觀鳥愛好者，Stanford的教授，退休後潛心觀鳥。疫情期間他的博客沒有再更新。

來源: Sequoia_CA 於 2026-02-26 08:10:59 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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