港海豹灰海豹
Harbour seal Grey Seal
以上为机器翻译结果，长、整句建议使用 人工翻译 。
与其他 phocids 物种（如灰海豹）相比，港海豹体型较小。众所周知，灰海豹在整个哺乳期都禁食。
Harbor seals are small compared with other phocids species such as grey seals, all of which are known to fast for the entire lactation period.
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