How many Tuataras are there in the world?

The total population of tuatara is estimated to be greater than 60,000, but less than 100,000.

Why are Tuataras going extinct?

The tuatara has been classified as an endangered species since 1895. … Tuatara, like many native New Zealand animals, were threatened by habitat loss, harvesting, and introduced species such as mustelids and rats.