Information about Chatham Islands Raven
| Chatham Islands Raven | ||||||||||||||
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| Conservation status | ||||||||||||||
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Prehistoric | ||||||||||||||
| Scientific classification | ||||||||||||||
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| Binomial name | ||||||||||||||
| Corvus moriorum (Forbes, 1892) | ||||||||||||||
The Chatham Islands Raven was native to the Chatham Islands (New Zealand). Another closely related raven species occurred on the North Island and South Island of New Zealand, namely the New Zealand Raven Corvus antipodum (Forbes, 1893).
Chatham Islands raven was significant larger than the New Zealand Raven, and probably the world's fourth- or fifth-largest passerine. They had long, broad bills that were not as arched as those of some of the Hawaiian Crows (Corvus hawaiiensis).
Remains of New Zealand Ravens are most common in coastal sites on the Chatham Islands. On the coast, it may have frequented the seal and penguin colonies or fed in the intertidal zone, as does the Tasmanian Forest Raven Corvus tasmanicus. It may also have depended on fruit, like the New Caledonian Crow Corvus moneduloides, but it is difficult to understand why a fruit eater would have been most common in coastal forest and shrubland when fruit was distributed throughout the forest.
References
- Gill, B. J. 2003. Osteometry and systematics of the extinct New Zealand ravens (Aves: Corvidae: Corvus). Journal of Systematic Palaeontology 1: 43-58.
- Worthy, T.H., Holdaway R.N., 2002, The lost world of the Moa: Prehistoric Life of New Zealand, Indiana University Press, Bloomington. ISBN 0-253-34034-9.
See also
External links
conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Aves
Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Passeriformes
Linnaeus, 1758
Suborders
A passerine is a bird of the giant order Passeriformes. More than half of all species of bird are passerines.
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Linnaeus, 1758
Suborders
- Acanthisitti
- Tyranni
- Passeri
A passerine is a bird of the giant order Passeriformes. More than half of all species of bird are passerines.
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Corvidae
Vigors, 1825
Genera
many, see article text
Corvidae is a family of oscine passerine birds that contains the crows, ravens, rooks, jackdaws, jays, magpies, treepies and nutcrackers (Clayton and Emery 2005, [1] ).
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Vigors, 1825
Genera
many, see article text
Corvidae is a family of oscine passerine birds that contains the crows, ravens, rooks, jackdaws, jays, magpies, treepies and nutcrackers (Clayton and Emery 2005, [1] ).
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Corvus
Linnaeus, 1758
Species
See text.
The true crows are large passerine birds that comprise the genus Corvus. Ranging in size from the relatively small pigeon-sized jackdaws (Eurasian and Daurian) to the Common Raven of the
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Linnaeus, 1758
Species
See text.
The true crows are large passerine birds that comprise the genus Corvus. Ranging in size from the relatively small pigeon-sized jackdaws (Eurasian and Daurian) to the Common Raven of the
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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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Henry Ogg Forbes (January 30, 1851, Aberdeen - October 27, 1932) was a Scottish explorer, ornithologist, and botanist. Educated at Aberdeen Grammar School, the University of Aberdeen and the University of Edinburgh, he was primarily active in the Moluccas and New Guinea, he served
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Chatham Islands (Rekohu in the Moriori language and Wharekauri in the Māori language), consists of about 10 islands within a 40-km radius. The islands have officially belonged to New Zealand since 1842.
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Anthem
"God Defend New Zealand"
"God Save the Queen" 1
Capital Wellington
Largest city Auckland
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"God Defend New Zealand"
"God Save the Queen" 1
Capital Wellington
Largest city Auckland
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species is one of the basic units of biological classification. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring.
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North Island<nowiki />
Geography
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Area 113,729 km²<nowiki />
Highest point
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Geography
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Location New Zealand <nowiki /> <nowiki /> <nowiki /> <nowiki />
Area 113,729 km²<nowiki />
Highest point
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South Island<nowiki />
Satellite view of South Island
Geography
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Location New Zealand <nowiki /> <nowiki /> <nowiki /> <nowiki />
Area
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Satellite view of South Island
Geography
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Location New Zealand <nowiki /> <nowiki /> <nowiki /> <nowiki />
Area
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C. antipodum
Binomial name
Corvus antipodum
(Forbes, 1893)
The New Zealand Raven (Corvus antipodum
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Binomial name
Corvus antipodum
(Forbes, 1893)
The New Zealand Raven (Corvus antipodum
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C. hawaiiensis
Binomial name
Corvus hawaiiensis
Peale, 1848
The Hawaiian Crow, Corvus hawaiiensis
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Binomial name
Corvus hawaiiensis
Peale, 1848
Hawaiian Crow range
The Hawaiian Crow, Corvus hawaiiensis
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C. tasmanicus
Binomial name
Corvus tasmanicus
Mathews, 1912
The Forest Raven (Corvus tasmanicus)
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Binomial name
Corvus tasmanicus
Mathews, 1912
The Forest Raven (Corvus tasmanicus)
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C. moneduloides
Binomial name
Corvus moneduloides
Lesson, 1830
The New Caledonian Crow (Corvus moneduloides
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Binomial name
Corvus moneduloides
Lesson, 1830
The New Caledonian Crow (Corvus moneduloides
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This is a list of extinct New Zealand animals.
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Mammals
Apart from bats, and a new discovery of a mouse-like creature on Banks Peninsula, New Zealand had no land mammals until humans arrived, but there have been fossil marine mammals found...... Click the link for more information.
Prehistoric birds are various taxa of birds that became extinct before recorded history, or more precisely, before they could be studied alive by bird scientists. They are known from subfossil remains and sometimes folk memory, as in the case of Haast's Eagle from New Zealand.
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