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斑海豹是一种跨海区远距离洄游、冰上产仔的海洋哺乳动物,主要分布于亚洲和北美洲毗邻处的楚科奇海、白令海和北太平洋西侧的鄂霍茨克海、日本海;在我国主要分布于渤海、黄海和东海。斑海豹在世界上有八个繁殖区,最南的一个即是我国的渤海辽东湾结冰区。每年12月份,斑海豹进入渤海,北上辽东湾冰区。繁殖期间,雌雄成对伴居在冰块上,1至2月份在冰上产仔,每胎产一仔,偶而也有双胎。产仔后组成一个“小家庭”群体,通常一块浮冰上只有一个小群体。初生仔兽栖息在冰块上,出生后两周左右开始换毛,哺乳期一个月,胎毛也脱换完毕,幼兽即可
Harbor seal is a long-distance migratory, ice-born marine mammals across the sea, mainly in the Chukchi Sea adjacent to Asia and North America, the Sea of Okhotsk and the Sea of Okhotsk to the west of the North Pacific Ocean, the Sea of Japan In China, it is mainly distributed in Bohai Sea, Yellow Sea and East China Sea. Harbor seal in the world there are eight breeding areas, the southern one is the Bohai Sea in China Liaodong Bay ice area. In December each year, Harbor Seal enters the Bohai Sea, north of the Liaodong Bay ice zone. During reproduction, the male and the female are paired with each other on ice cubes, and they are born on ice from January to February. Each birth produces a baby and occasionally twins. After giving birth, a “small family” group is formed, usually with only a small group on an ice floe. Newborn Aberdeen animal habitat in the ice, after about two weeks after birth, hair change, lactation a month, fetal hair is also replaced, the cubs can