- Female Northern Fur Seals often suffer serious injuries or die due to fighting over females, as males grab them by the back of the neck, flippers, or sides.
- Male northern fur seals are much larger than females. The maximum body length of males reaches 2.2 meters, and their weight can reach up to 320 kg.
表型海狗
在这里我们介绍海狗的外貌，以及毛色如何随年龄变化。
海狗：它是怎样的