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On average they live 9 years but the oldest on record was 14.5 years. taken from wiki "In the past, the white-faced ibis faced many threats from humans. Studies completed in Utah in the 1960s (before this species was added to the Migratory Bird Treaty Act) showed that 82.9% of recorded deaths in banded birds were a result of being shot. However, the main causes of decline of this species previously were pesticides and habitat destruction. The pesticide DDT caused eggshells to be so thin and fragile that parent white-faced ibises crushed the eggs when they were incubating them. Also, since this species is so dependent on wetlands and marshes for both feeding and nesting, changes to water systems such as pollution and man-made draining of water habitats had devastating impacts on members of this species in the past. In order to correct these damages, DDT was banned in 1970 and various programs were created to better maintain and protect wetland nesting habitats. Yet, there is still some debate as to whether or not populations of white-faced ibises in all geographic areas are recovered and growing."