If you get lost, it's a very hard place in which to be found with punishing terrain of very steep mountainsides clad in dense native bush with intervening, rock-strewn gullies. The tox report wouldn't have found triffydin, because they didn't know to test for it and death can be very rapid. "In the Ruahines, you say? Urtica ferox stings when encountered, and the effects may last some time. Did he leave and re-enter the area where he was found? Urtica Ferox, commonly known as tree nettle, or ongaonga in Māori, is a nettle that is endemic to New Zealand. Epub 2012 Sep 18. His death baffled authorities as the body lacked any serious injury or malnourishment, and the cause of death was eventually determined to be of 'obscure natural causes'. They ran into a bank of tree nettles called Urtica Ferox, which means Fierce Itch. It is also commonly documented that Urtica ferox was a food source for Māori. They're known to kill animals, too. This is significant as the species doesn't directly compete with other flora, this is achieved through inhabiting the boundary zones between strata, therefore the high soil fertility, like other species in the nettle family, grows well in soils with high nutrient levels, especially high quantities of nitrogen and access to open sunlight and rainwater results in a rapidly growing plant able to take advantage of natural tree fall and other natural events such as land slides and flooding which clear dominating old growth species. The tree nettle requires high nutrient levels found in cycling forest systems such as beech forest and native New Zealand forest. On December 13th, 2002, Jason Chase left Gisborne and was headed back home to Dannevirke to his family for Christmas. HC; Distribution. At first, Jason’s disappearance went unnoticed by friends and family, as there wasn't a specific date for his arrival. Most notorious is the tree nettle or ongaonga, Urtica ferox. Photo of introduced nettle Urtica urens, by Phil Bendle / CC BY-NC-ND 3.0. They couldn't see quite clearly where they were going as it was getting dark and they pushed through quite dense bush. Packet of 100+ seeds of this very angry and very dangerous plant. Although tree nettle is a toxic shrub, it also plays a significant part in the phenology of a local butterfly, namely the red admiral (Vanessa gonerilla). His pale shorts were either cream-coloured or were a very faded khaki. He was lying on his left side with his legs stretched out and his feet bare - no shoes or socks. One study found that the seeds germinate after one month in soil, the seeds germinate throughout winter and spring of the year they are dropped. from the New Zealand Medical Journal106, no. "Urtica ferox," John said happily. Urtica Ferox Urtica ferox stings when encountered, and the effects may last some time. In this study cited out of the 5 different Woody seeding species Urtica ferox had the lowest germination rate of 59% compared to >85% of the other similar species, the author surmise that Tree Nettle is capable of building up a large seed bank in the soil which will survive for 5 – 15 years.Seed dispersal is carried out by rolling, wind and in the gut of birds, the seeds are achenes and are surrounded by a persistent perianth which contribute to the long lived seed bank it produces. He must have been under shelter most of the time. His friend managed to get help and they got him out and to the hospital. I think urtica ferox had evolved the large size and toxic stingers, because moas ( extinct flightless birds, related to kiwis) ate nettles and nettles got fed up being foods for moas, so when tree nettles arrived, moas ate the leaves, but got stung in mouth, so moas and birds learnt to leave the newly evolved tree nettles alone. He even had food in his stomach and urine in his bladder. The shrub can grow to a height of 3 m (9.8 ft) with the base of the stem reaching 12 cm (4.7 in) in thickness. There was a group of trampers back then who got stung and they had serious incoordination for three days.”. There were no signs of his footwear in the vicinity of the body. It is a large woody shrub and has woody stems and unusually large stinging spines that can result in a painful sting that lasts several days. The strange disappearance and death of Todd Hofflander in Hells Canyon, The mysterious disappearance of cyclist Marty Leger in Nova Scotia, Good books and audiobooks on missing people in the great outdoors, The disturbing Pacific Crest Trail (PCT) disappearances, The strange death of Nora Quoirin in Malaysia. Ongaonga, is a nettle that is endemic to New Zealand. If it weren't for the presence of his car, there would have been no reason to suppose he was there at all. Follow by Email Get link; Facebook; Twitter; Pinterest; Email; Other Apps; 10.4.20 Why Has New Zealand Got Such a Low Covid-19 Death Rate? Why did the Search and Rescue crews miss him when he was in an area clearly visible from the air? Young parts covered in white needles that inject a painful toxin. Seeing something that terrified him? The pale green leaves are very thin like a membrane, the surface of the leaf, stems and stalks are covered in stiff stinging hairs can grow up to 6 mm (0.24 in) long. Where are Jason’s boots and why were his feet showing no signs of damage. That rings a bell." It is sometimes known as "Taraonga", "Taraongaonga" or "Okaoka". The leaf shape is ovulate-triangulate with a serrated leaf margin each bearing a spine of up to 1 m (3 ft 3 in). It is a large woody shrub and has woody stems and unusually large stinging spines that can result in a painful sting that lasts several days. His body was found several weeks later but the cause of his premature death baffled the authorities for nearly two decades. Beside these butterflies, some mammals also eat the leaves of tree nettle, like the Common brushtail possum, goats and deer. In these environments an “A type” soil horizon of rich leaf litter and humus between 10 – 80 cm is common. and, sometimes, death. It does something to the nervous system. "'It means Fierce Itch. These ulcers develop very quickly and they point to a time of significant stress just before death, but they don't tell you what the stress was. Cynric Temple-Camp certainly seems to think he succumbed to triffydin poisoning. Red admiral larvae still favour the savage tree nettle or ongaonga, Urtica ferox, seemingly oblivious to its vicious spines. Contact with the stinging hairs of the plant causes painful stinging and allergic reactions in the skin, including welts, hives, itching, burning sensation, and general irritation. Symptoms are usually self-limiting and resolve within a few days. This nettle is winter deciduous in cold climates, evergreen in mild climates and can lose its leaves in drought conditions if it is growing in shallow soils.  Due to the caterpillar's activities, the leaves of shrub can fall off. It was as if he had settled down here for the last time, making himself as comfortable as he could, and then died. That was long after the official search had been called off, and it meant he had been alive during the search-and-rescue operation which had failed to find him. Here you'll find a mixture of original articles and links to others we found interesting. Genus: Urtica L. Urtica ferox G.Forst. He was fit and healthy with no known illnesses. Around the middle of the afternoon on Friday, January 3, Jason’s remains were found. It prefers well lit environments so suits stock damaged bush, in tree fall gaps and on steep and unstable slopes. Up to about 3 metres high and can cause death if brushed against. The tree nettle is an endemic species to New Zealand which inhabits sub-tropical and temperate regions, the plant is very common in the North Island but limited in the South. What happened in that 3 week period? There was no sign that Jason had even entered the area. Even the lightest touch can result in a painful sting that lasts several days. These spines are prominent along the salient mid-vein and leaf margin. Rollwagen, A.(2006). (1996) "Germination behavior of seeds of the New Zealand woody species. Urtica Ferox, commonly known as tree nettle, or ongaonga in Māori, is a nettle that is endemic to New Zealand. Jason Chase, 25, was found dead following an intense search and rescue effort at the Ruahine Ranges, in New Zealand, on January 3, 2003. Temple-Camp told Jason's story to a retired surgical colleague and friend John Coutts.  Because the tree nettle is a dioecious shrub, it will cross pollinate. 25-year-old, Jason Chase went missing on December 13, 2002. Periodically, slips scar the steep sides of the ranges, disgorging yet more rocks into the gullies and even in summer there is some snow. Advertisement . Talk:Urtica ferox. It is a large woody shrub and has woody stems and unusually large stinging spines that can result in a painful sting that lasts several days. The seed of tree nettle is one and half millimeters long and brown color, ovoid shape like. It can be found on its own or in dense thickets and is often found growing along forest margins. [Note: I have caved in to pressure.  However, because no native non-flying, non-marine mammals existed in New Zealand prior to human arrival in the last one thousand years, the tree nettle would have been without mammalian predators in its evolutionary history until quite recently. He didn't look as though he had been lost and stumbling around, trying to find his way out. Urtica Ferox, commonly known as tree nettle, or ongaonga in Māori, is a nettle that is endemic to New Zealand. Multiple stingings can have a very painful reaction which causes inflammation, a rash, itching, and in high concentrations loss of motor movement, paralysis, drop in blood pressure, convulsions, blurred vision and confusion. Native to New Zealand. The pale green leaves are very thin like a membrane, the surface of the leaf, stems and stalks are covered in stiff stinging hairs can grow up to 6 mm (0.24 in) long. The toxin present in the spines is triffydin (or tryfydin). Urtica ferox is a nettle that is endemic to New Zealand. It was the same time of year too — Boxing Day, in fact, and pretty warm so they were lightly clad. ‘They grow to two metres and their leaves are covered with rigid stinging hairs, each about six millimetres long.’ Mr Coutts explained the nettles are extremely toxic and have the potential to cause blindness, breathing problems, paralysis, gut aches and eventual death. Heatstroke? Less than an hour later, one of the lads developed a guts ache and couldn't go on. It was confirmed to be Jason’s car. It may well leave no sign on the skin and its poison, called triffydin is exotic and not well known and named after the Triffids, moving plants that stung people to death and then ate them, from John Wyndham's famous sci-fi book, “The Day of the Triffids”. (2006, March).Retrieved from Department of Conservation: http://www.canterburynature.org/species/lincoln_essays/treenettle.php, http://www.landcareresearch.co.nz/resources/identification/animals/bug-id/alphabetic-list-of-bugs/red-admiral, http://www.doc.govt.nz/documents/getting-involved/students-and-teachers/field-trips-by-region/kapiti-education-kit/Species%20cards/ongaonga-tree-nettle.pdf, https://en.wikipedia.org/w/index.php?title=Urtica_ferox&oldid=976511483, Articles with unsourced statements from May 2016, Articles lacking reliable references from May 2016, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 September 2020, at 10:29. This toxin contains histamine, serotonin and acetylcholine, the last of which causes powerful stimulation of the parasympathetic nerve system. "Red Admiral." Recently an unusual cause of death has been postulated and a reminder that plants can be as deadly as weather, terrain and animals in the great outdoors. He was wearing a short-sleeved, multi-coloured rugby shirt with a bright-red back displayed to the sky. In Maori folklore, Kupe was … He just lay down and soon became paralysed. Full Distribution Listing Native to: New Zealand North, New Zealand South KBD; Other Data. It is sometimes known as "Taraonga", "Taraongaonga" or "Okaoka". Where were they? Encountering someone or something that scared him to death? John went to his attic, stuffed full of surgical notes, papers and memorabilia collected from a lifetime of medicine in the Manawatu. The inner stems were sometimes consumed after the leaves and outer bark had been removed, the thin film that makes up the inner bark was also eaten raw and is said to have a sweet taste, it is also documented that stems were cooked after having the leaves removed. His feet were bare, but they were totally uninjured, so he must have been wearing shoes. Subscribe to this blog. Cowan, P.E. FLORA CATEGORY Vascular – Native ENDEMIC TAXON Yes ENDEMIC GENUS No ENDEMIC FAMILY No STRUCTURAL CLASS Dicotyledonous Trees & Shrubs NVS CODE URTFER CHROMOSOME NUMBER 2n = 48 CURRENT CONSERVATION STATUS 2012 | Not Threatened PREVIOUS CONSERVATION STATUSES … In Māori folklore, Kupe was said to have placed several obstacles to hinder pursuers whose wives he had stolen, one of which was the ongaonga. The pollen of male flowers can transfer to the female flowers through wind. DoC. But where had Jason been all that time since mid-December? A case of canine poisoning with New Zealand Tree Nettle (Ongaonga, Urtica ferox). Follow by Email Posts. Weird vibes in the wilderness - what causes them? This is important for the ecological niche that it inhabits, we can surmise that it doesn't do well competitively with the other species in its environment due to its growth on boundary zones, an adaption for long lived seed banks are therefore advantageous as it must wait for clearing and collapse of the larger dominating species before it can take hold.. He had been somewhat depressed but there was nothing to suggest he was suicidal. If you plan on touching it, or putting it in a place where others can, do not buy the seeds from me. Horses are particularly prone and can die quite quickly. It is a shrub that reaches up to three meters tall and often occurs in dense thickets. Subscribe to this blog. Advertise with NZME. John said "It happened back in 1961. When the larvae arrives in the leaves, it will curve the tip of nettle leaf, use the silken threads to make the leaves stick together, and constructs a secure place where they can eat the food. His body was found in a Nettle covered gully and difficult to get through. Symptoms. There are patches of them clumped in small localities over several parts of the ranges. This species is accepted, and its native range is New Zealand. A human death was also recorded. Hundreds of volunteers rallied and continued their private search after the official search was terminated. and food. It's … The pain lasts for 3 days! The ovate tapering leaves have numerous stinging hairs along the midribs and leaf stalks. Urtica ferox, commonly known as tree nettle, or ongaonga in Māori, is a nettle that is endemic to New Zealand. The Palmerston North rescue helicopter flew several missions to try and locate Jason, but all efforts were in vain and the search was officially suspended just before Christmas. They usually have fits and become paralysed. This plant can resist temperatures down to minus eight degree Celsius. For example, it can be used in medicine,[medical citation needed]. Subscribe to this blog. If he hadn't been on a rocky river bed, you'd have thought he'd just laid down there for a comfortable snooze. Urtica ferox - Ongaonga, Tree Nettle - Native to New Zealand the tree nettle grows in temperate bush in lowland areas, which includes stock-damaged bush, scrubland and forest margins. Jagged-leaved, stinging, large shrub to 3 m tall, sometimes forming extensive thickets, bearing pairs of thin sharply toothed pointed leaves on long stems. These pollen grains can be collected by female dense stigmas.  When pollen arrives in the female flowers, the pollination of female flowers will begin. Tree nettle. The toxin from just five of these stinging spines is enough to kill a guinea pig and there has been one reported death in modern times 1. Mr Coutts noted the tree nettles were known as Urtica ferox and were native plants in the location. Even the lightest touch can result in a painful sting that lasts several days. ", Webb, C.J., Johnson, P.R., Sykes, W.R., (1990). U. ferox is found growing in coastal to lowland marginal bush often in thickets and more commonly today among Pinus radiata forests, both on the north and south Islands. So what was that final stress caused by? It was over Dannevirke way in the Ruahines, pretty much where your chap was found. https://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=12343942, https://www.dailymail.co.uk/news/article-8513909/Jason-Chase-mystery-death-Ruahine-Ranges-New-Zealand-solved.html, Cynric Temple-Camp “The quick and the dead”, https://en.wikipedia.org/wiki/Urtica_ferox, Tagged: The unexplained death of Jason Chase in New Zealand's Tamaki Reserve, The strange hiking death of Jason Chase in New Zealand's Tamaki Reserve, jason chase death new zealand, Please help keep StrangeOutdoors.com and The Mysterious Stories Blog Going by donating as little as $10, The disturbing death of the unknown hiker, Mostly Harmless, in Cypress National Preserve, The unexplained disappearance of Susan Seymour Adams, The strange hiking death of Jason Chase in New Zealand's Tamaki Reserve, The unexplained death of Jason Chase in New Zealand's Tamaki Reserve. In the Māori culture, tree nettle plays an important role in the people's lives. They grow to two meters and their leaves are covered with rigid stinging hairs, each about six millimetres long. The leaves range from 3–5 cm (1.2–2.0 in) in width and 8–12 cm (3.1–4.7 in) in length, these are oppositely arranged and there are two stipules per node. Then in January, the fruit of tree nettle mature. The mysterious Utah monolith - dropped by Aliens or just art? The seductive Tutu (Coriaria arborea) makes killer pies. It has woody stems and unusually large stinging spines that can result in a painful sting that lasts several days. Even the lightest touch can result in a painful sting that lasts several days. Urtica Ferox Fierce Nettle Ongaonga Seeds. Growing throughout the country in coastal to lowland forest margins and shrubland, it is fairly common in coastal vegetation around Otago. Anyway, these blokes were wearing shorts, just like your man Jason. Urtica ferox is a tall many branched woody perennial shrub with stems covered by short hairs and very large stinging hairs. 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I must stress first of all this is one purely for responsible collectors due to it’s dangerous, potentially fatal natural attributes. DO NOT TOUCH EVER!!! He was a 25-year-old sheep shearer who had been staying in the Gisborne region of New Zealand, on the east coast of the North Island. Urtica ferox, commonly known as ongaonga, is a nettle that is endemic to New Zealand. Jason was found on January 3rd and went missing December 13. Flowers are very small and are compactly arranged on branching spikes at the base of leaves. Ongaonga is the main food plant for larvae of the New Zealand red admiral butterfly or kahukura, Vanessa gonerilla. What does urtica ferox mean? Multiple stingings can have a very painful reaction which causes inflammation, a rash, itching, and in high concentrations loss of motor movement, paralysis, drop in blood pressure, convulsions, blurred vision and confusion. Definition of urtica ferox in the Definitions.net dictionary. Toggle navigation. He had food in his stomach and was well nourished. These gullies carry torrents of water in the wet season, but they were dry and hard and irregular in December time. Urtica ferox is a New Zealand endemic that is commonly found in coastal and lowland areas as well as forest edges and shrublands. Prior to the introduction of nettles from overseas, the caterpillars of all three admirals dined exclusively on the five species of native stinging nettle. It is sometimes known as "Taraonga", "Taraongaonga" or "Okaoka". Planten, som stundom vert kalla «trenesle», har ein treaktig stamme og uvanleg lange og stikkande nåler, og kan veksa fem meter i høgda. He said he had trouble breathing and shortly afterward he became blind, too. Sometimes known as the "tree nettle", ongaonga has woody stems and unusually large stinging spines, and can grow 5 metres tall. Obvious white hairs cover the stems and leaves and cause quite a bit of pain on contact (take my word for it - I speak from experience). Retrieved from. Urtica Ferox. The toxin present in the spines is triffydin (or tryfydin). A species of stinging nettle, Urtica ferox, is indigenous to New Zealand and has caused deaths in animals and humans. Subscribe. Sometimes known as the 'tree nettle', ongaonga has woody stems and unusually large stinging spines, emanating from the leaves and every branch, and can grow 5 metres tall. That's what reminded me. Subscribe. WikiProject New Zealand (Rated C-class, Low-importance) This article is within the scope of WikiProject New Zealand, a collaborative effort to improve the coverage of New Zealand and New Zealand-related topics on Wikipedia. Sjølv den aller lettaste kontakten med planten kan føra til eit smertefullt stikk som kan vera plagsamt i fleire dagar.  Also, the leaves of tree nettle play a significant part in the treating pains. He had an encyclopaedic knowledge of the New Zealand bush. 957 (9 June 1993): 234 Tree nettle (Urtica ferox) poisoning On April 28, a stoical, experienced 60 year old hunter, was on a three day trip deerstalking with two friends in the Kaweka Ranges on the southern side of the remote Mangatainoka River. Gareth Parry and Eric Buenz explore the storied history of scientists using themselves as guinea pigs Self experimentation is a rich medical tradition, leading to remarkable scientific advances but also erroneous conclusions and, sometimes, death. It was reported that he knew the area fairly well, but it was out of character for him to go missing or go for an extended overnight camp. A species of stinging nettle, Urtica ferox, is indigenous to New Zealand and has caused deaths in animals and humans. We previously reported a human case of acute polyneuropathy due to U. feroxstings. There was no sign of injury, blood, or bones fractured. During a collection expedition a 71 year old emeritus neurologist indulged in inadvertent, and subsequently deliberate, self experimentation. There were no signs of torn clothing or that he had been sleeping rough. The shrub can grow to a height of 3 m (9.8 ft) with the base of the stem reaching 12 cm (4.7 in) in thickness. They left coming down until quite late and it was early evening when they did. Urtica ferox G.Forst. One species, Urtica ferox, which is found in New Zealand, has even been known to cause death in … Recently we explored the properties of Urtica ferox , a stinging nettle endemic to New Zealand (fig 1). We developed an experimental animal model of U. feroxtoxin neuropathy to determine its neurophysiological and pathological characteristics. Unlike other herbaceous species in the genus Urtica, ongaonga is a large woody shrub. Urtica ferox, commonly known as ongaonga, is a nettle that is endemic to New Zealand. Was it just simple exposure? Among the periods of November to March, the tree nettle flowers. [unreliable medical source?] The tree nettle can also be found on Stewart Island. The eggs of butterflies, also including the yellow admiral (Vanessa itea), are laid on the leaves of nettle during the spring and summer. Ongaonga - tree nettle - Urtica ferox Family Urticaceae. In the foothills? The shrub commonly inhabits coastal and lowland areas at altitudes between sea level and 600m above sea level. Images; Distribution; Other Data; Bibliography; Sources; Images. His clothes were tidy and not weather-beaten. , Kanzaki M, Tsuchihara T, McMorran D, Taylor P, Hammond-Tooke GD.,"A rat model of Urtica ferox neuropathy. This toxin contains histamine, serotonin and acetylcholine, the last of which causes powerful stimulation of the parasympathetic nerve system. Sometimes have woody stems and unusually large stinging spines, and can grow 5 metres tall. Flowers and fruit tiny, in short spikes at base of leaves. Was it a tree nettle that killed Jason? They said they had run into a lot of stinging nettle and it felt like a million needle pricks. Even the lightest touch can result in a painful sting that lasts several days. The toxicology report showed that blood, urine and stomach contents were all negative for all drugs, medications, and a range of common poisons. (Inset image – U. ferox at Te Mata Peak reserve, 3/1/14) In New Zealand the genus is represented by 5 species one of them the tree nettle, Urtica ferox.  When the seed is planted in the environment which has more light and water, it will take one month to germinate. Then an abandoned car was reported in the Tamaki Reserve, just out of Dannevirke, at the base of the Ruahine Range. His mate developed similar symptoms but not quite as severe and he eventually recovered. Small exposures to nettles can cause local symptoms such as burning, itching, redness, swelling (occasionally small blisters will form) and local numbness. (1990) "Fruits, seeds, and flowers in the diet of brushtail possums, Trichosurus vulpecula, in lowland podocarp/mixed hardwood forest, Orongorongo Valley," New Zealand. In colder areas it will drops its leaves during winter. Subscribe . It is sometimes known as "Taraonga", "Taraongaonga" or "Okaoka". It's a native found on the fringes of the bush. The shrub can grow to a height of 3 m (9.8 ft) with the base of the stem reaching 12 cm (4.7 in) in thickness. Retrieved from Canterbury Nature: Barron, M.C.,Wratten, S.D. But, he never arrived. Urtica ferox, kjend som ongaonga, er ei nesle som veks endemisk på New Zealand. Here you'll find a mixture of original articles and links to others we found interesting. Acute polyneuropathy can occur due to U. ferox stings; and there has been one recorded human death from contact—a lightly clad hunter who died five hours after walking through a dense patch.. & Barlow, N.D.(2004) "Phenology and parasitism of the red admiral butterfly Brassaris gonerilla (Lepidoptera: Nymphalidae). Species Profile: Tree Nettle. Sometimes known as the "tree nettle", ongaonga has woody stems and unusually large stinging spines, and can grow 5 metres tall. It takes eight to ten days for the eggs to incubate. The decoction of leaves and youth twigs dip in boiled water is said to have a benefit on stomachache and on the treatment of gonorrhea. This nettle is winter deciduous in cold climates, evergreen in mild climates and can lose its leaves in drought conditions if it is growing in shallow soils. Māori use the bark of tree nettle and the leaves of kawakawa, boiled together, to make a liquid that can be used internally and externally for eczema and venereal disease. ", Landcare research.(2005). In the South it's commonly found on the West Coast and on Banks Peninsula, the plant is not commonly found east of Otago where the climate is much drier. ", Burrows, C.J. Best relief if stung with baking soda. Apart from allergies it can be said that the toxin of the Ongaonga (Urtica ferox), a nettle endemic to Aotearoa (New Zealand), can cause the most irreversible (polyneuropathy) and most painful injuries. Two young men, 18 and 21 years old, went up there shooting. Information and translations of urtica ferox in the most comprehensive dictionary definitions resource on the web. He died five hours later. Jump to navigation Jump to search. The Ruahine Range area was beautiful but a wild place to hike. Urtica ferox COMMON NAME Ongaonga, tree nettle FAMILY Urticaceae AUTHORITY Urtica ferox G.Forst. Urtica ferox stings when encountered, and the effects may last some time. Yellow admiral larvae seem to prefer the herbaceous Urtica incisa. Police quickly decided there were no signs of foul play as there were no signs of a struggle or animal attack. However, the autopsy report undertaken by Pathologist Cynric Temple-Camp showed there were two shallow “stress” ulcers in his duodenum that hadn't been there long, maybe a few hours. Jason appeared to be well hydrated and fed. Respect the plants around you for sure when it comes to hiking in New Zealand!