Each bird will incubate the egg for 24 hours, with the changeover occurring around noon each day.

Gannets use their foot webs to incubate the egg.

They share in feeding the young in the nest, and before that they sometimes help with incubating the eggs.

They come ashore only in the summer, and then only after dark, in order to incubate their eggs and feed their young.

However, since the pair did not display appropriate parenting behaviors, keepers artificially incubated the egg and are hand-raising the chick.