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Encyclopedia > Great Cormorant
Great Cormorant

Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Pelecaniformes
Family: Phalacrocoracidae
Genus: Phalacrocorax
Species: P. carbo
Binomial name
Phalacrocorax carbo
Linnaeus, 1758

The Great Cormorant (Phalacrocorax carbo), known in Australia as the Black Cormorant, is a widespread member of the cormorant family of seabirds. It breeds in much of the Old World and the Atlantic coast of North America. Image File history File links No higher resolution available. ... The 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. ... Image File history File links Status_iucn3. ... Least Concern (LC) is an IUCN category assigned to extant species or lower taxa which have been evaluated but do not qualify for any other category. ... Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. ... For other uses, see Animal (disambiguation). ... Typical Classes See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... who cares though]] island species, have also lost the ability to fly. ... Families Pelecanidae Sulidae Phalacrocoracidae Fregatidae Anhingidae Phaethontidae The Pelecaniformes are an order of medium-sized and large waterbirds found worldwide. ... Genera Nannopterum Phalacrocorax Leucocarbo The Phalacrocoracidae family of birds is represented by over thirty species of cormorants and shags. ... Genera Nannopterum Phalacrocorax Leucocarbo The Phalacrocoracidae family of birds is represented by over thirty species of cormorants and shags. ... This article does not cite any references or sources. ... Carl Linnaeus, Latinized as Carolus Linnaeus, also known after his ennoblement as  , (May 23, 1707[1] – January 10, 1778), was a Swedish botanist, physician and zoologist[2] who laid the foundations for the modern scheme of nomenclature. ... 1758 was a common year starting on Sunday (see link for calendar). ... For other uses, see Cormorant (disambiguation). ... The Sooty Tern is highly aerial and marine and will spend years flying at sea without returning to land. ... The Old World consists of those parts of Earth known to Europeans, Asians, and Africans before the voyages of Christopher Columbus; it includes Europe, Asia, and Africa (collectively known as Africa-Eurasia), plus surrounding islands. ... The Atlantic Ocean forms a component of the all-encompassing World Ocean and is directly linked to the Arctic Ocean, the Pacific Ocean, the Indian Ocean, and the Southern Ocean. ... North America North America is a continent[1] in the Earths northern hemisphere and (chiefly) western hemisphere. ...

Contents

Description

The Great Cormorant is a large black bird, 77-94 cm in length with a 121-149 cm wingspan. It has a longish tail and yellow throat-patch. Adults have white thigh patches in the breeding season. In European waters it can be distinguished from the Common Shag by its larger size, heavier build, thicker bill, lack of a crest and plumage without any green tinge. World map showing the location of Europe. ... Binomial name Phalacrocorax aristotelis (Linnaeus, 1758) The Common Shag (Phalacrocorax aristotelis) is a species of cormorant. ... Two feathers Feathers are one of the epidermal growths that form the distinctive outer covering, or plumage, on birds. ...


In eastern North America, it is similarly larger and bulkier than Double-crested Cormorant, and the latter species has more yellow on the throat and bill. Binomial name Phalacrocorax auritus (Lesson, 1831) The Double-crested Cormorant (Phalacrocorax auritus) is a North American member of the cormorant family of seabirds. ...


Distribution

This is a very common and widespread bird species. It feeds on the sea, in estuaries, and on freshwater lakes and rivers. Northern birds migrate south and winter along any coast that is well-supplied with fish. who cares though]] island species, have also lost the ability to fly. ... Rio de la Plata estuary Wikimedia Commons has media related to: Estuaries An estuary is a semi-enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea. ... Flock of Barnacle Geese during autumn migration Bird migration refers to the regular seasonal journeys of varying distances undertaken by many species of birds. ... A giant grouper at the Georgia Aquarium Fish are aquatic vertebrates that are cold-blooded, covered with scales, and equipped with two sets of paired fins and several unpaired fins. ...


The type subspecies, P. c. carbo, is found mainly in Atlantic waters and nearby inland areas: on western European coasts and south to North Africa, the Faroe Islands, Iceland and Greenland; and on the eastern seaboard of North America, though in America it breeds only in the north of its range, in the Canadian maritime provinces.
The subspecies found in Australasian waters, P. carbo novaehollandiae, has a crest. In New Zealand it is known as the Black Shag or by its Māori name; Kawau[1] The Atlantic Ocean is Earths second-largest ocean, covering approximately one_fifth of its surface. ... North America North America is a continent[1] in the Earths northern hemisphere and (chiefly) western hemisphere. ... The Maritimes or Maritime provinces are a region of Canada on the Atlantic coast, consisting of New Brunswick, Nova Scotia and Prince Edward Island. ... Australasia Australasia is a term variably used to describe a region of Oceania: Australia, New Zealand, and neighbouring islands in the Pacific Ocean. ... Languages Māori, English Religions Māori religion, Christianity Related ethnic groups other Polynesian peoples, Austronesian peoples The word Māori refers to the indigenous Polynesian peoples of New Zealand, and to their language. ...


The 80-100 cm long White-breasted Cormorant P. c. lucidus found in sub-Saharan Africa, has a white neck and breast. It is often treated as a full species, Phalacrocorax lucidus (e.g. Sibley & Monroe, 1990, Sinclair, Hockey and Tarboton, 2002) Binomial name Phalacrocorax lucidus (Lichtenstein, 1823) The White-breasted Cormorant, a member of the cormorant family Phalacrocoracidae, is usually treated as a subspecies of Great Cormorant, in which case it is referred to as Phalacrocorax carbo lucidus. ...


In addition to the Australasian and African forms, Phalacrocorax carbo novaehollandiae and P. carbo lucidus mentioned above, other geographically distinct subspecies are recognised, including P. c. sinensis (western Europe to east Asia), P. c. maroccanus (north-western Africa), and P. c. hannedae (Japan). World map showing the location of Asia. ...


Some authors treat all these as allospecies of a P. carbo superspecies group.


Behaviour

A colony of Great Cormorants in Juodkrantė and damage to the trees in which they are nesting.
A colony of Great Cormorants in Juodkrantė and damage to the trees in which they are nesting.

The Great Cormorant breeds mainly on coasts, nesting on cliffs or in trees (which are eventually killed by the droppings), but also increasingly inland. 3-4 eggs are laid in a nest of seaweed or twigs. Image File history File links Metadata Size of this preview: 800 × 534 pixelsFull resolution (2501 × 1668 pixel, file size: 3. ... Image File history File links Metadata Size of this preview: 800 × 534 pixelsFull resolution (2501 × 1668 pixel, file size: 3. ... Old villas in the new Juodkrantė Juodkrantė (literally: Black Shore, German: Schwarzort in Prussia) with permanent population of about 720 people is a quiet Lithuanian seaside resort village located on the Curonian Spit. ... In most birds and reptiles, an egg (Latin ovum) is the zygote, resulting from fertilization of the ovum. ... Ascophyllum nodosum exposed to the sun in Nova Scotia, Canada Dead Mans Fingers (Codium fragile) off Massachusetts coast For the Marine Biology Summer internship Marine Algae by Friday Harbor Laboratories, see; Marine Algae For the band, see; Seaweed (band) For the rock musician, see; Seaweed (musician) Seaweeds are any...


The Great Cormorant can dive to considerable depths, but often feeds in shallow water. It frequently brings prey to the surface. A wide variety of fish are taken: cormorants are often noticed eating eels, but this may reflect the considerable time taken to subdue an eel and position it for swallowing, rather than any dominance of eels in the diet. In UK waters, dive times of 20-30 seconds are common, with a recovery time on the surface around a third of dive time. Suborders See text for suborders and families. ...


Cormorants and humans

Many fishermen see in the Great Cormorant a competitor for fish. Because of this it was nearly hunted to extinction in the past. Thanks to conservation efforts its numbers increased. At the moment there are about 450,000 breeding birds in Western Europe. Chinese fishermen sometimes tie fishing line around the throats of cormorants, tight enough to prevent swallowing, and deploy them from small boats. The cormorants "eat" fish without being able to fully swallow them, and the fishermen are able to retrieve the fish simply by forcing open the cormorants' mouths, apparently engaging the regurgitation reflex.


References

  1. ^ Barrie Heather and Hugh Robertson, "The Field guide to the Birds of New Zealand"(revised edition), Viking, 2005
  • BirdLife International (2004). Phalacrocorax carbo. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 12 May 2006. Database entry includes justification for why this species is of least concern
  • Sibley, C. G., & Monroe, B. L. (1990). Distribution and taxonomy of birds of the world. New Haven CT: Yale University Press.
  • Ian Sinclair, Phil Hockey and Warwick Tarboton, SASOL Birds of Southern Africa (Struik 2002) ISBN 1-86872-721-1

The IUCN Red List of Threatened Species (also known as the IUCN Red List and Red Data List), created in 1963, is the worlds most comprehensive inventory of the global conservation status of plant and animal species and can be found here. ... The World Conservation Union or International Union for the Conservation of Nature and Natural Resources (IUCN) is an international organization dedicated to natural resource conservation. ...

External links

Wikimedia Commons has media related to:
Wikispecies has information related to:
  • Great Cormorant videos on the Internet Bird Collection
  • Pictures of Great Cormorants

  Results from FactBites:
 
Cormorant - Wikipedia, the free encyclopedia (695 words)
In Guilin, China, cormorant birds are famous for fishing on the shallow Lijiang River.
The names "cormorant" and "shag" were originally the common names of the two species of the family found in Great Britain, Phalacrocorax carbo (now referred to by ornithologists as the Great Cormorant) and P.
the Great Cormorant is called the Black Shag in New Zealand (the birds found in Australasia have a crest that is absent in European members of the species).
Great Cormorant (364 words)
The Great Cormorant is the largest of the Australian cormorants (70 - 90 cm) and is one of the largest in the world.
Great Cormorants are probably the most widespread member of the cormorant family with a range that includes North America, Europe, Africa, China, India, Southeast Asia, New Zealand, Papua New Guinea and Australia.
Great Cormorants are sociable birds and around breeding time they form colonies of about 2,000 birds, with colonies of up to 20,000 birds being reported.
  More results at FactBites »


 

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