The researchers further note: "There is evidence of hybridization across species (such as between spotted and harbor seals) as well as across genera (such as hard and hooded seals)."

研究者们还提出：“已有证据显示不但存在种间杂交（比如斑海豹与麻斑海豹），也存在属间杂交（比如格林兰海豹和冠海豹）。

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The researchers further note: "There is evidence of hybridization across species (such as between spotted and harbor seals) as well as across genera (such as hard and hooded seals)."

研究者们还提出：“已有证据显示不但存在种间杂交（比如斑海豹与麻斑海豹），也存在属间杂交（比如格林兰海豹和冠海豹）。

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