Talk:海洋哺乳動物
所謂海洋哺乳動物，... 現時有5種海洋哺乳動物：
海牛目:泛指所有海牛同儒艮. 食肉目:分熊科:北極熊，鼬科:海獺同旱獺 鰭足目:海豹,海獅同海象 鯨目:包括所有鯨豚類 唔同嘅海洋哺乳動物，都有唔同嘅祖先，... 除此之外，海洋哺乳動物同其他水生動物唔同嘅例子仲有：
佢哋係用肺呼吸,需要上岸或者水面呼吸氧氣； 佢哋有毛髮。就算係鯨豚目都有啲毛，但只有稀疏嘅毛喺個頭或者個口度。所有食肉目就更加唔駛講啦(不過啲毛就薄的！)而海豹細個時都係全身毛嘅 佢哋嘅皮下脂肪非常厚，咁樣可以防止水份同熱量流失； 佢哋全部都係胎生嘅，好多海洋哺乳動物都係生一胎，而啲仔生世後都要飲奶。佢哋嘅奶脂肪含量比其他陸上哺乳動物都高，差唔多接近4至5成；
My Question: How does the dolphin feed their baby dolphin?? or another way round... How does the baby dolphin drink milk while their mother dolphin moving... BTW, does dolphin have breast...?
開個同海洋哺乳動物有關嘅新討論
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