NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
Adele Island, Australia. International Space Station (ISS) image of Adele Island off Australia's north coast. The island is only 2.9 kilometres long, but the entire tidal zone, with concentric and extensive sandbanks, is 24.5 kilometres long. The modern island is the dark central area. It is grassy and treeless, and made up of a series of beach ridges built by sands washed up from the surrounding sandbanks during storms. Adele Island is a breeding site of world importance for lesser frigatebirds and three other species. Efforts are underway to clear the island of rats, which are a constant threat to the seabirds. Photographed on 11th June 2015.
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