（文章）黃口無飽期 — 家燕

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1^# A A A Post at 24/06/2014 01:14 Show author

（文章）黃口無飽期 — 家燕（筆者：Christina YM Chan）
http://thehousenews.com/nature/% ... 87%95/#.U6fHYXnyyZU

香港觀鳥會燕子研究組
Swift and Swallow Research Group of Hong Kong Bird Watching Society

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