海驴属动物

例句：

1. 1. The researchers discovered a new species of sea lion in the ocean.
   研究人员在海洋中发现了一种新的海狮物种。
2. 2. The scientists are studying the behavior of these sea lions to better understand their habitat.
   科学家们正在研究这些海狮的行为，以更好地了解它们的栖息地。
3. 3. The discovery of this species has sparked excitement among marine biologists.
   这一物种的发现激发了海洋生物学家们的兴奋。