Since then, 15 taxa have been added to the New Zealand list, six as a result of the acceptance of new distribution records, three as newly-described recently extinct species from the Chatham Islands, six as a result of taxonomic changes, and one species has been deleted from the New Zealand list. Of 77 threatened taxa classified in 2012, the status of 22 (29%) taxa improved, mainly due to successful conservation management, while five (6%) of them moved to a more threatened status. Eight other taxa, including three not assessed in 2012, were added to the threatened categories. Overall, 71 taxa were assessed as being threatened with extinction, six fewer than in 2012, and 23 rather than 25 taxa are now classified as being Nationally Critical. A list of all 487 bird taxa and their conservation status in 2016 is presented.