Australasian Birds

Sulidae : Gannets & Boobies

Australasian Gannet

Morus serrator

Muriwai Beach, New Zealand - November 2005

Australasian Gannet is the least common of all the Gannets, with a total population of about 53000 pairs.

Muriwai Beach, New Zealand - November 2005

Muriwai Beach, New Zealand - November 2005

Muriwai Beach, New Zealand - November 2005

It is found along the coasts of south-east Australia, Tasmania and New Zealand where it typically breeds on offshore islets.  The colony at Muriwai Beach on North Island, New Zealand (below) is one of only 3 colonies found on the New Zealand mainland. 99% of the New Zealand population nests on small islets in the coastal waters of North Island.

Australasian Gannet (Morus serrator) colony - Muriwai Beach, New Zealand - November 2005

Ritual greeting - Muriwai Beach, New Zealand - November 2005

When a bird lands at its nest, it greets its partner with a ritualised bill-fencing display (above left) and an intertwining of necks (above right). Gannets usually mate for life and this display is important in strengthening the pair-bond. A similar display is also used as a prelude to mating...

Pair copulating - Muriwai Beach, New Zealand - November 2005

Pair copulating - Muriwai Beach, New Zealand - November 2005