Annual California sea otter census - 2019 spring census summary

The spring 2019 mainland sea otter count began on May 1 and was completed by July 9. Overall viewing conditions this year were very good, better than those...2019年春季大陆海獭数量计数调查于5月1日启动，至7月9日全部完成。本年度整体观测条件极佳，优于往年同期水平。