pine martens could save red squirrels

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最近英國的研究發現,入侵物種灰松鼠對松貂這捕獵者有較低的警覺性,所以對松貂來說,灰松鼠會比紅松鼠更容易捕獲。研究推測如果松貂的數量回升,將會有助控制灰松鼠的數量,減輕對紅松鼠的威脅。

a recent research in UK found out that the invasive grey squirrels are less aware of the risk of pine martens, making them an easier prey for the pine martens than red squirrels. the study suggest if the population of pine marten grows, the number of grey squirrel would falls and benefit the red squirrels.

https://www.theguardian.com/environment/2018/mar/07/return-of-pine-martens-could-save-britains-red-squirrels-say-scientists

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