The bush moa, little bush moa, or lesser moa (''Anomalopteryx didiformis'') is an extinct species of moa from the family
Emeidae
The lesser moa (family Emeidae) were a family in the moa order Dinornithiformes. About two-thirds of all moa species are in the lesser moa family. The moa were ratites from New Zealand. Ratites are flightless birds with a sternum without a keel. ...
(lesser moa).
Description
It was the smallest known species of moa, only slightly taller than a
turkey
Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...
. A slender bird, it weighed around . As with all moa, they have with a
sternum
The sternum or breastbone is a long flat bone located in the central part of the chest. It connects to the ribs via cartilage and forms the front of the rib cage, thus helping to protect the heart, lungs, and major blood vessels from injury. ...
without a keel. They also have a distinctive
palate
The palate () is the roof of the mouth in humans and other mammals. It separates the oral cavity from the nasal cavity.
A similar structure is found in crocodilians, but in most other tetrapods, the oral and nasal cavities are not truly s ...
. It inhabited much of the
North Island
The North Island, also officially named Te Ika-a-Māui, is one of the two main islands of New Zealand, separated from the larger but much less populous South Island by the Cook Strait. The island's area is , making it the world's 14th-larges ...
and small sections of the
South Island
The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasma ...
of
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 List of islands of New Zealand, smaller islands. It is the ...
. Its
habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
was dense lowland conifer, broad-leafed
southern beech
''Nothofagus'', also known as the southern beeches, is a genus of 43 species of trees and shrubs native to the Southern Hemisphere in southern South America (Chile, Argentina) and Australasia (east and southeast Australia, New Zealand, New Gu ...
forests and
scrubland
Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominated by shrubs, often also including grasses, herbs, and geophytes. Shrubland may either occur naturally or be the result of human activity. It ma ...
. It possessed a sturdy, sharp-edged beak, suggesting that its diet was made up of twigs and other tough plant material.
Threats and extinction
Native predators included the
Haast's eagle
Haast's eagle (''Hieraaetus moorei'') is an extinct species of eagle that once lived in the South Island of New Zealand, commonly accepted to be the pouakai of Māori legend.Eyles' harrier. The species went extinct alongside other native New Zealand wildlife around 500-600 years ago, following the arrival and proliferation of the Maori people in
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 List of islands of New Zealand, smaller islands. It is the ...
, as well as the introduction of
Polynesian dog
The Polynesian Dog refers to a few extinct varieties of domesticated dogs from the islands of Polynesia. These dogs were used for both companionship and food and were introduced alongside poultry and pigs to various islands. They became extinc ...
s.
Archaelogical remains
The most complete remains, a partially articulated skeleton with substantial mummified tissue and feathers were discovered in 1980 in Lake Echo Valley, east of
Te Anau
Te Anau is a town in the Southland region of the South Island of New Zealand. In Maori, Te-Anau means the Place of the Swirling Waters. It is on the eastern shore of Lake Te Anau in Fiordland. Te Anau is 155 kilometres north of Invercargill ...
Invercargill
Invercargill ( , mi, Waihōpai is the southernmost and westernmost city in New Zealand, and one of the southernmost cities in the world. It is the commercial centre of the Southland region. The city lies in the heart of the wide expanse of ...
. Anomalopteryx fossils made up the bulk of moa fossils discovered in a swamp in 1912 in
Clevedon
Clevedon (, ) is an English seaside town and civil parish in the unitary authority of North Somerset, part of the ceremonial county of Somerset. It recorded a parish population of 21,281 in the United Kingdom Census 2011, estimated at 21,442 ...
.
Possible de-extinction
Scientists at
Harvard University
Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of high ...
assembled the first nearly complete genome of the species from toe bones, thus bringing the species a step closer to being " resurrected" in the future by using the
emu
The emu () (''Dromaius novaehollandiae'') is the second-tallest living bird after its ratite relative the ostrich. It is endemic to Australia where it is the largest native bird and the only extant member of the genus '' Dromaius''. The ...