translation.en: These little blue dots are the fledglings -- we do this survey every March -- which means that they're only in the environment from January until March, so maybe three months at the most that they could get covered in oil.
translation.zh: 这些小蓝点代表着幼鸟。 我们每年三月份都会做这样调查， 这就意味着他们只有在 一月份到三月份在这个环境中 所以或许最多只有三个月， 它们就会裹上石油。