ON DELOS ISLAND, GREECE, SPECIES EXTINCTION AND IMMIGRATION ARE NEARLY EQUAL
FIGURE 4.7 Species richness on islands, such as Delos, has been shown to result from a dynamic balance between local extinction and immigration. Despite substantial extinction and immigration of species, the number of bird species on Delos Island changed little in 35 years. (Data from Foufopoulos & Mayer, 2007) (Left panel: U.S. Fish and Wildlife Service, Dennis Jacobsen/Shutterstock, skapuka/Shutterstock, Bildagentur Zoonar GmbH/Shutterstock, John Navajo/Shutterstock, Vishnevskiy Vasily/Shutterstock, Edwin Butter/Shutterstock; Right panel: U.S. Fish and Wildlife Service, skapuka/Shutterstock, Bildagentur Zoonar GmbH/Shutterstock, Vishnevskiy Vasily/Shutterstock, Andrew Williams/Shutterstock, Florian Andronache/Shutterstock; Center top: Andrew Williams/Shutterstock, Florian Andronache/Shutterstock; Center bottom: Dennis Jacobsen/Shutterstock, John Navajo/Shutterstock, Edwin Butter/Shutterstock)