Adwaita is estimated to have been at least 255 years old. If this latter estimate can be confirmed, Adwaita will have been the oldest known tortoise of modern times, living longer than Harriet by 80 years, Tu'i Malila by 67 years and Jonathan by 65 years.
Adwaita is thought to have been at least 255 years old. If this assertion can be confirmed, Adwaita will have outlived other notable tortoises, including Harriet by 80 years, Tu'i Malila by 67 years, and Jonathan by 65 years.