Antipodean wandering albatross census and population study on Antipodes Island 2019

The Antipodean wandering albatross Diomedea antipodensis antipodensis has been in sharp decline for over a decade with males declining at ~ 6% per annum and females at ~ 8% per annum. The number of males and females in the breeding population before 2004 was approximately even but there are now more than two adult males for every adult female, with the population of breeding females only 42% of its 2004 level.