Austrian biologist Johannes Fritz has dedicated his career to helping northern bald ibises, also called Waldrapp. This rare species of bird was completely extinct in the wild 50 years ago; however, through careful reintroduction, he's been able to “rewild” 277 ibises in his home country. To ensure that they survive the temperatures of the winter, Fritz even taught young birds a new migration path from Austria to Italy with the help of a flying machine.
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