Royal penguin Eudyptes schlegeli observations at North Head, Macquarie Island 1952/53

Observations of Royal Penguins at North Head, Macquarie Island were made to 2 purposes. First, general observations of the whole rookery, with counting birds, noting times of laying, hatching, changing of guard over the nests and habits of the penguins. Second, the detailed observation of marked nests for the determination of hatching periods, size of clutches and variations in the dimensions of the eggs.Census data from field report by Z Soucek (now deceased), lodged in the AAD archives.