Larus bulleri Endemic. Nationally Critical. Data Poor. Recruitment Failure. Expected decline >70%. I passed this and another photo to researcher Mike Bell, and he tells me: This bird will be E-226906… It was banded as a chick on 14/12/2014 on the Wairau River, it regularly over-winters at Lake Rotiti, but has also over-wintered at Kaikoura. … Continue reading Tarāpuka / Black-billed Gull