Aveline : time and a place , isabela .

艾芙琳：什事情都要看时间和场合，伊莎贝拉。

There are only about 100 mangrove finches in the world , and they are all confined to isabela , one of the galapagos islands . Only two populations survive : one group of about 80 birds on the island 's west coast , and a tiny population of about 20 on the island 's eastern side .

世界上只有约100只红树林雀，集中于加拉帕戈斯（galapagos）的一个名为伊莎贝拉（isabela）的岛上，包括两个种群：一个在岛的西部，约有80只；其余在岛的东部，约20只。