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.
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。