Mark Carwardine / New Zealand bellbird (Anthornis melanura) Tiritiri Matangi, North Island, New Zealand, November

Brent Stephenson / Male New Zealand bellbird (Anthornis melanura) perched on a branch,Tiritiri Matangi Island, Auckland, New Zealand, October.

Brent Stephenson / Male New Zealand bellbird (Anthornis melanura) perched on a branch, Tiritiri Matangi Island, Auckland, New Zealand, October.

Andy Trowbridge / Adult New Zealand bellbird (Anthornis melanura) perched on a branch in the understorey. Orokonui Ecosanctuary, Otago Peninsula, South Island New Zealand. January. Endemic Species.

Andy Trowbridge / Adult New Zealand bellbird (Anthornis melanura) perched on a sugar water feeder, at feeding station for South Island Kaka (Nestor meridionalis meridionalis) Orokonui Ecosanctuary, Otago Peninsula, So...

David Tipling / New Zealand Bellbird (Anthornis melanura) Tiritiri Matangi Island, New Zealand, November.

Brent Stephenson / Adult male Bellbird (Anthornis melanura) perched on a branch and puffed up calling in an aggressive display. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Immature male Bellbird (Anthornis melanura) perched on a branch in the understorey. Shows some retained juvenile flight feathers and less purple on the face than in adults. Tiritiri Matangi Island, Au...

Brent Stephenson / Adult male bellbird (Anthornis melanura) perched on a branch in the understorey. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Adult male Bellbird (Anthornis melanura) perched on a branch in the understorey. Tiritiri Matangi Island, Auckland, New Zealand, July.

Brent Stephenson / Adult male New Zealand Bellbird (Anthornis melanura) perched, fluffed up with rain on feathers. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Adult male New Zealand Bellbird (Anthornis melanura) perched on a branch. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Adult male New Zealand Bellbird (Anthornis melanura) perched. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Adult male New Zealand Bellbird (Anthornis melanura) perched, calling. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Adult male New Zealand Bellbird (Anthornis melanura) perched. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Adult male New Zealand Bellbird (Anthornis melanura) perched, showing iridescence in the plumage. Tiritiri Matangi Island, Auckland, New Zealand, September.

Mike Read / New Zealand Bellbird (Anthornis melanura) feeding on nectar from New Zealand flax. New Zealand, December.

Mark Hughes / New Zealand Bellbird (Anthornis melanura) male, Wellington, New Zealand

Andrew Walmsley / Female Bellbird (Anthornis melanura) on flax flowers, Christchurch, New Zealand, January

Mike Potts / Bellbird {Anthornis melanura} searching for food on beach, Ulva Island, South Island, New Zealand

Tui De Roy / New Zealand Bellbird (Anthornis melanura) male in coastal vegetation, endemic species, Laurie Harbor, Port Ross, Auckland Island, sub-Antarctica New Zealand

Eric Sohn Joo Tan/ BIA / New Zealand Bellbird (Anthornis melanura), Stewart Island, New Zealand

Mike Potts / New Zealand bellbirds (Anthornis melanura), gathered near to a feeder, Tiri Tiri Matanga Island, North Island, New Zealand.

Mike Potts / New Zealand bellbirds (Anthornis melanura) gathered near to a feeder on edge of forest, Tiri Tiri Matanga Island, North Island, New Zealand.

Russell Laman / New Zealand bellbird (Anthornis melanura) perched on lichen covered branch, Enderby Island, Auckland Islands Group, New Zealand Sub Antarctic Islands.