Lifespan, longevity, and ageing
Maximum longevity: 53 years (wild) Observations: One specimen banded in 1956 was recaptured on Midway Atoll in 2002. In 1956 the animal was incubating an egg making it at least 51 years old in 2002. It was brooding a healthy chick in 2002 (http://www.pwrc.usgs.gov/).
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