Higher than average shares of endangered species are recorded for amphibians and mammals (Table 5.1 and Figure 5.3). More than half of the 34 vertebrates listed as extinct are wetland dependent species. This is directly related to the use of all the country’s water sources (springs, streams and swamps) since the beginning of the 20th century to provide drinking and irrigation water. Furthermore, Israel is located on two major migratory routes, avian and marine (Box 5.2).