Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) in nocturnal kiwi house, Orana Wildlife Park, Christchurch, New Zealand

Tui De Roy / Stewart Island Brown Kiwi or Southern Tokoeka (Apteryx australis lawryi), female probing by scent for sand hoppers in rotting kelp beach wrack at night, Ocean Beach, Stewart Island, New Zealand

Tui De Roy / Haast Tokoeka (Apterix australis) with Phil Tisch and Tansy Bliss, Department of Conservation Kiwi Recovery team affixing radio trnasmitter. Haast Kiwi Sanctuary, Westland, South Island, New Zealand.

Mark Jones / North Island Brown Kiwi (Apteryx australis mantelli) parent with egg,/nOtorohanga Breeding Facility, New Zealand

Brent Stephenson / Researcher using radio-telemetry equipment to track a Northern brown kiwi (Apteryx mantelli) fitted with a radio transmitter Beside her stands a trained kiwi-tracking dog, Cape Kidnappers, Hawkes Bay,...

Tui De Roy / Brown kiwi (Apteryx mantelli) watched by group of school children. On display in Nocturnal House, where artificial lighting produces reversed daylight cycle, Orana Wildlife Park, Christchurch, South I...

Tui De Roy / Brown kiwi (Apteryx mantelli) in Nocturnal House, where artificial lighting produces reversed daylight cycle, Orana Wildlife Park, Christchurch, South Island, New Zealand, February. Captive

Tui De Roy / Brown kiwi (Apteryx mantelli) being photographed by tourist. On display in Nocturnal House, where artificial lighting produces reversed daylight cycle, Orana Wildlife Park, Christchurch, South Island,...

Tui De Roy / Brown kiwi (Apteryx mantelli) in Nocturnal House, where artificial lighting produces reversed daylight cycle, Orana Wildlife Park, Christchurch, South Island, New Zealand, February. Captive

Tui De Roy / Brown kiwi (Apteryx mantelli) in Nocturnal House, where artificial lighting produces reversed daylight cycle, Orana Wildlife Park, Christchurch, South Island, New Zealand, February. Captive

Tui De Roy / Brown kiwi (Apteryx mantelli) in Nocturnal House, where artificial lighting produces reversed daylight cycle, Orana Wildlife Park, Christchurch, South Island, New Zealand, February. Captive

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) in nocturnal kiwi house, Orana Wildlife Park, Christchurch, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) foraging in nocturnal kiwi house, Orana Wildlife Park, Christchurch, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) foraging in nocturnal kiwi house, Orana Wildlife Park, Christchurch, New Zealand

Tui De Roy / Southern Tokoeka (Stewart Island Brown Kiwi) (Apteryx australis lawryi). Nocturnal endemic. Female using keen sense of smell to probe for sand hoppers in rotting kelp. Ocean Beach, Stewart Island, New...

Mark Jones / Southern Tokoeka / Stewart Island Brown Kiwi (Apteryx australis lawryi) female drinking from stream after feeding on sand hoppers in rotting kelp. Ocean Beach, Stewart Island, New Zealand. Endemic.

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) at burrow entrance, captive at Otorohanga Breeding Facility, New Zealand, endemic.

Tui De Roy / Southern Brown Kiwi (Apteryx australis) male emerging from burrow at night. Haast Tokoeka Kiwi Sanctuary, Westland, South Island, New Zealand.

Brent Stephenson / Adult male Southern brown kiwi (Apteryx australis) feeding amongst kelp on a sandy beach. Ocean Beach, Stewart Island, New Zealand, November. Vulnerable species.

Brent Stephenson / Sub-adult Northern brown kiwi (Apteryx mantelli) huddled in its roosting spot in the forest. Little Barrier Island, Auckland, New Zealand, September. Endangered species.

Brent Stephenson / Bird ringed foot of a Northern brown kiwi (Apteryx mantelli) held by conservationist. Boundary Stream Mainland Island, Hawkes Bay, New Zealand, October. Endangered species.

Brent Stephenson / Adult male Northern brown kiwi (Apteryx mantelli) held by conservationist, with head and bill showing the long cat-like whiskers and ivory coloured bill with the nostrils placed at the tip. Boundary S...

Roland Seitre / Southern brown kiwi (Apteryz australis) feeding in forest, captive, from South Island, New Zealand. Vulnerable species.

Roland Seitre / Northern brown kiwi (Apteryx mantelli) captive, from North Island, New Zealand. Endangered species.

Roland Seitre / Northern brown Kiwi (Apteryx mantelli) feeding, captive, from North Island, New Zealand. Endangered species.

Tui De Roy / Southern Tokoeka / Stewart Island Kiwi (Apteryx australis lawryi) feeding on sand hoppers in rotting beach kelp at night, Stewart Island New Zealand

Tui De Roy / Stewart Island Brown Kiwi / Southern Tokoeka (Apteryx australis lawryi), female probing by scent for sand hoppers in rotting kelp beach wrack, Ocean Beach, Stewart Island, New Zealand

Tui De Roy / Stewart Island Brown Kiwi / Southern Tokoeka (Apteryx australis lawryi), female probing by scent for sand hoppers in rotting kelp beach wrack, Ocean Beach, Stewart Island, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) captive from isolated population in Taranaki region, North Island. Otorohanga Breeding Facility, New Zealand.

Tui De Roy / North Island Brown Kiwi (Apterix australis mantelli) captive newly hatched chick still carries large yolk reserve after 70 days incubation. Otorohanga Breeding Centre, New Zealand.

Tui De Roy / Haast Tokoeka or Southern Brown Kiwi (Apterix australis) with Phil Tisch and Tansy Bliss, Department of Conservation Kiwi Recovery team taking bill measurement, Haast Kiwi Sanctuary, Westland, New Zea...

Tui De Roy / Stewart Island Brown Kiwi (Apteryx australis lawryi) female probing by scent for insects along grassy beach, Ocean Beach, Stewart Island, New Zealand

Tui De Roy / Brown Kiwi (Apteryx australis) parent with egg, Kiwi House, Otorohanga Breeding Facility, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) probing in the damp understory showing tactile bristles and prominent ear, Kiwi House, Otorohanga Breeding Facility, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) biologist, Eric Fox, removing egg shell from a newly-hatched chick in incubator, Otorohanga Breeding Center, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) adult female in a full run, breeding facility, Otorohanga, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) newly-hatched chick still carrying a large yolk reserve after 70 days of incubation, Kiwi House, Otorohanga Breeding Facility, New Zealand

Tui De Roy / Stewart Island Brown Kiwi (Apteryx australis lawryi) female probing by scent for sandhoppers in rotting kelp, Ocean Beach, Stewart Island, New Zealand

Tui De Roy / Stewart Island Brown Kiwi (Apteryx australis lawryi) female probing by scent for sandhoppers in rotting kelp, Ocean Beach, Stewart Island, New Zealand

Tui De Roy / Stewart Island Brown Kiwi (Apteryx australis lawryi) female probing by scent for insects along grassy beach, Ocean Beach, Stewart Island, New Zealand

Tui De Roy / Stewart Island Brown Kiwi (Apteryx australis lawryi) female, rear view showing fur like feathers and complete lack of tail, Ocean Beach, Stewart Island, New Zealand

Tui De Roy / Stewart Island Brown Kiwi (Apteryx australis lawryi) female probing by scent for sandhoppers in rotting kelp, Ocean Beach, Stewart Island, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) with extremely long sensory facial feathers, Orana Wildlife Park, Christchurch, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) foraging in nocturnal kiwi house, Orana Wildlife Park, Christchurch, New Zealand

Tui De Roy / North Island Brown Kiwi (Apteryx australis mantelli) in nocturnal kiwi house, Orana Wildlife Park, Christchurch, New Zealand

Ingrid Visser / North Island Brown Kiwi (Apteryx australis mantelli) egg, North Island, New Zealand

Joel Sartore / Photo Ark / North Island kiwi (Apteryx mantelli) portrait, Columbus Zoo and Aquarium. Captive, occurs in North Island, New Zealand.

Bruce Thomson / Southern brown kiwi (Apteryx australis) primative flightless bird endemic to New Zealand, Stewart Island, New Zealand.

Bruce Thomson / Southern brown kiwi (Apteryx australis) primative flightless bird endemic to New Zealand, Stewart Island, New Zealand.

Tui De Roy / Brown kiwi (Apteryx mantelli) in nocturnal kiwi house with reversed daylight cycle, Orana Wildlife Park, Christchurch, New Zealand. February

Tui De Roy / Brown kiwi (Apteryx mantelli) in nocturnal kiwi house with reversed daylight cycle, Orana Wildlife Park, Christchurch, New Zealand. February

Tui De Roy / Brown kiwi (Apteryx mantelli) in nocturnal kiwi house with reversed daylight cycle, Orana Wildlife Park, Christchurch, New Zealand. February

Tui De Roy / Brown kiwi (Apteryx mantelli) in nocturnal kiwi house with reversed daylight cycle, Orana Wildlife Park, Christchurch, New Zealand. February

Tui De Roy / Close up of reddish feathers, Haast tokoeke kiwi /Tokoeka (Apteryx australis) Department of Conservation Kiwi Rearing, West Coast, New Zealand. February

Tui De Roy / Haast tokoeka chick (a distinct race of Tokoeka, Apteryx australis) These chicks held in outdoor pens where Department of Conservation rangers perform final health screening before they are moved to p...

Tui De Roy / Brown kiwi (Apteryx mantelli) in nocturnal kiwi house with reversed daylight cycle, Orana Wildlife Park, Christchurch, New Zealand. February

Tui De Roy / Brown kiwi (Apteryx mantelli) in nocturnal kiwi house with reversed daylight cycle, Orana Wildlife Park, Christchurch, New Zealand. February

Tui De Roy / Brown kiwi (Apteryx mantelli) held in human hands, showing long sensory hairs, Orana Wildlife Park, Christchurch, New Zealand. February