The San Juan Islands Group consists of 172 named islands of the more than 700 islands, islets and reefs identified at low tide and more than 400 at high tide. Additionally, the map shows the roads that connect the various communities and reach various points of interest on each of the four major islands.
View image of Blue-eyed black lemur (credit: David Haring of the Duke Lemur Centre). With lemurs in immediate danger, few conservationists have looked further ahead to how climate change could affect the animals.
1 Lemur Species. 2  There are many more species of Lemurs than most people realize. 3  It is believed that that there are at least 99 of them that still survive including subspecies. 4  There are also many that are believed to already be extinct over millions of years ago.