Brent Stephenson / Australasian Gannet (Morus serrator) breeding colony above sea stacks. Muriwai, Auckland, New Zealand, November.

David Noton / Gannet colony at Muriwai, North Island, New Zealand

David Noton / Gannets in flight over the beach at Muriwai, west coast of North Island, New Zealand

Patricio Robles Gil / Australian gannet nesting colony {Morus / Sula serrator}. Muriwai, North Island, New Zealand.

Brent Stephenson / Australasian Gannet (Morus serrator) in flight. Muriwai, Auckland, New Zealand, November.

Brent Stephenson / Pair of Australasian Gannets (Morus serrator) rubbing their bills together in a greeting display at the nest. Muriwai, Auckland, New Zealand, November.

Brent Stephenson / Australasian Gannet (Morus serrator) breeding colony on offshore stack. Muriwai, Auckland, New Zealand, November.

Brent Stephenson / Australasian Gannet (Morus serrator) in flight near breeding colony. Muriwai, Auckland, New Zealand, December.

Brent Stephenson / Kelp / Southern Black-backed Gull (Larus dominicanus) in flight from above showing upperwing. Muriwai, Auckland, New Zealand, December.

Jim Harding / Australian Gannet (Morus serrator) nesting colony, Muriwai Beach, New Zealand

David Noton / Gannet colony at dusk, Muriwai, North Island, New Zealand

David Noton / Aerial view of figures on the beach, Muriwai, North Island, New Zealand

David Noton / Waves breaking on the beach at Muriwai, west coast of North Island, New Zealand

Tui De Roy / Australian Gannet (Morus serrator) densely packed nesting colony, Muriwai, West Auckland, North Island, New Zealand