English Nun
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English Nun
The Nun is a breed of fancy pigeon developed through many years of selective breeding. It was known as the Dutch Shell Pigeon in continental Europe. Nuns, along with other varieties of domesticated pigeons, are all descendants from the rock pigeon (''Columba livia''). The Nun is one of the oldest breeds and was originally a flying tumbler before being developed for exhibition. It is a mostly white breed, with a hood of feathers, which gives the name to the breed. Description The Nun is given its name by the raised feathers which form a kind of hood which covers the back of the neck and head, resembling a nun. Continental Europe previously referred to the Nun as the Dutch Shell Pigeon during the early part of the 20th century. It resembles the tumbler, from which this breed of pigeon originated; although as with all domestic pigeons they are descended from the rock pigeon (''Columba livia''). They have mostly white bodies and are designated according to the color of their h ...
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Breed
A breed is a specific group of domestic animals having homogeneous appearance (phenotype), homogeneous behavior, and/or other characteristics that distinguish it from other organisms of the same species. In literature, there exist several slightly deviating definitions. Breeds are formed through genetic isolation and either natural adaptation to the environment or selective breeding, or a combination of the two. Despite the centrality of the idea of "breeds" to animal husbandry and agriculture, no single, scientifically accepted definition of the term exists. A breed is therefore not an objective or biologically verifiable classification but is instead a term of art amongst groups of breeders who share a consensus around what qualities make some members of a given species members of a nameable subset. Another point of view is that a breed is consistent enough in type to be logically grouped together and when mated within the group produce the same type. When bred together, ind ...
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Fancy Pigeon
Fancy pigeon refers to any breed of domestic pigeon, which is a domesticated form of the wild rock dove (''Columba livia''). They are bred by pigeon fanciers for various traits relating to size, shape, color, and behavior, and often exhibited at pigeon shows, fairs and other livestock exhibits. There are about 800 pigeon breeds; considering all regional varieties all over the world there may be 1100 breeds. The European list of fancy pigeons alone names about 500 breeds. No other domestic animal has branched out into such a variety of forms and colours. Charles Darwin is known to have crossbred fancy pigeons, particularly the Ice Pigeon, to study variation within species, this work coming three years before his groundbreaking publication, ''On the Origin of Species''. Pigeon showing Pigeon fanciers from many different countries exhibit their birds at local, inter-state or national shows and compete against one another for prizes. One typical country show in Australia in 2008 h ...
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Selective Breeding
Selective breeding (also called artificial selection) is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits (characteristics) by choosing which typically animal or plant males and females will sexually reproduce and have offspring together. Domesticated animals are known as breeds, normally bred by a professional breeder, while domesticated plants are known as varieties, cultigens, cultivars, or breeds. Two purebred animals of different breeds produce a crossbreed, and crossbred plants are called hybrids. Flowers, vegetables and fruit-trees may be bred by amateurs and commercial or non-commercial professionals: major crops are usually the provenance of the professionals. In animal breeding, techniques such as inbreeding, linebreeding, and outcrossing are utilized. In plant breeding, similar methods are used. Charles Darwin discussed how selective breeding had been successful in producing change over time in ...
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Continental Europe
Continental Europe or mainland Europe is the contiguous continent of Europe, excluding its surrounding islands. It can also be referred to ambiguously as the European continent, – which can conversely mean the whole of Europe – and, by some, simply as the Continent. When Eurasia is regarded as a single continent, Europe is treated as a subcontinent, and called as European subcontinent. The old notion of Europe as a cultural term was centred on core Europe (''Kerneuropa''), the continental territory of the historical Carolingian Empire, corresponding to modern France, Italy, German-speaking Europe and the Benelux states (historical Austrasia). This historical core of "Carolingian Europe" was consciously invoked in the 1950s as the historical ethno-cultural basis for the prospective European integration (see also Multi-speed Europe). Usage The most common definition of Mainland Europe excludes these continental islands: the Greek Islands, Cyprus, Malta, Sicily, Sa ...
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Domestic Pigeon
The domestic pigeon (''Columba livia domestica'' or ''Columba livia'' ''forma'' ''domestica'') is a pigeon subspecies that was derived from the rock dove (also called the rock pigeon). The rock pigeon is the world's oldest domesticated bird. Mesopotamian cuneiform tablets mention the domestication of pigeons more than 5,000 years ago, as do Egyptian hieroglyphics. Research suggests that domestication of pigeons occurred as early as 10,000 years ago. Pigeons have made contributions of considerable importance to humanity, especially in times of war. In war the homing ability of pigeons has been put to use by making them messengers. So-called war pigeons have carried many vital messages and some have been decorated for their services. Medals such as the Croix de Guerre, awarded to Cher Ami, and the Dickin Medal awarded to the pigeons G.I. Joe and Paddy, amongst 32 others, have been awarded to pigeons for their services in saving human lives. Despite this, city pigeons today are ...
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Rock Pigeon
The rock dove, rock pigeon, or common pigeon ( also ; ''Columba livia'') is a member of the bird family Columbidae (doves and pigeons). In common usage, it is often simply referred to as the "pigeon". The domestic pigeon (''Columba livia domestica'', which includes about 1,000 different breeds) descended from this species. Escaped domestic pigeons have increased the populations of feral pigeons around the world. Wild rock doves are pale grey with two black bars on each wing, whereas domestic and feral pigeons vary in colour and pattern. Few differences are seen between males and females. The species is generally monogamous, with two squabs (young) per brood. Both parents care for the young for a time. Habitats include various open and semi-open environments. Cliffs and rock ledges are used for roosting and breeding in the wild. Originally found wild in Europe, North Africa, and western Asia, pigeons have become established in cities around the world. The species is abundant, ...
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Tumbler (pigeon)
Tumbler pigeons are varieties of domesticated pigeons descendant from the rock dove that have been selected for their ability to tumble or roll over backwards in flight. This ability has been known in domesticated breeds of pigeons for centuries. In Wendell Levi's book ''The Pigeon'', reference is made to pigeons with this tumbling ability existing in India before the year 1590. Charles Darwin, in his book ''The Origin of Species'', makes reference to the Short-faced Tumbler which was a popular breed during his lifetime, and still can be found exhibited at pigeon shows today. There are many different breeds that have descended from the original tumbler stocks. Some of the more popular breeds today include: *Anekal Rekdhar Tumbler * Armenian Tumbler * * Australian Performing Tumbler *Australian Saddleback Tumbler *Berlin Short-faced Tumbler *Berlin Long-faced Tumbler * Budapest Short-faced Tumbler * English Long-faced Tumbler * English Short-faced Tumbler * Felégyhaza Tumbler * I ...
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Nun(black)
A nun is a woman who vows to dedicate her life to religious service, typically living under vows of poverty, chastity, and obedience in the enclosure of a monastery or convent.''The Oxford English Dictionary'', vol. X, page 599. The term is often used interchangeably with religious sisters who do take simple vows but live an active vocation of prayer and charitable work. In Christianity, nuns are found in the Roman Catholic, Oriental Orthodox, Eastern Orthodox, Lutheran, and Anglican traditions, as well as other Christian denominations. In the Buddhist tradition, female monastics are known as Bhikkhuni, and take several additional vows compared to male monastics (bhikkhus). Nuns are most common in Mahayana Buddhism, but have more recently become more prevalent in other traditions. Christianity Catholicism In the Catholic tradition, there are many religious institutes of nuns and sisters (the female equivalent of male monks or friars), each with its own charism or ...
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Flight Feather
Flight feathers (''Pennae volatus'') are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (), singular remex (), while those on the tail are called rectrices (), singular rectrix (). The primary function of the flight feathers is to aid in the generation of both thrust and lift (force), lift, thereby enabling bird flight, flight. The flight feathers of some birds have evolved to perform additional functions, generally associated with territorial displays, courtship rituals or feeding methods. In some species, these feathers have developed into long showy plumes used in visual courtship displays, while in others they create a sound during display flights. Tiny serrations on the leading edge of their remiges help owls to fly silently (and therefore hunt more successfully), while the extra-stiff rectrices of woodpeckers help them to brace against tree trunks as they hammer on ...
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Magpie
Magpies are birds of the Corvidae family. Like other members of their family, they are widely considered to be intelligent creatures. The Eurasian magpie, for instance, is thought to rank among the world's most intelligent creatures, and is one of the few non-mammal species able to recognize itself in a mirror test. They are particularly well known for their songs and were once popular as cagebirds. In addition to other members of the genus '' Pica'', corvids considered as magpies are in the genera '' Cissa'', ''Urocissa'', and ''Cyanopica''. Magpies of the genus ''Pica'' are generally found in temperate regions of Europe, Asia, and western North America, with populations also present in Tibet and high-elevation areas of Kashmir. Magpies of the genus ''Cyanopica'' are found in East Asia and the Iberian Peninsula. The birds called magpies in Australia are, however, not related to the magpies in the rest of the world. Name References dating back to Old English call the bird a "p ...
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Charles Darwin
Charles Robert Darwin ( ; 12 February 1809 – 19 April 1882) was an English naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all species of life have descended from a common ancestor is now generally accepted and considered a fundamental concept in science. In a joint publication with Alfred Russel Wallace, he introduced his scientific theory that this branching pattern of evolution resulted from a process he called natural selection, in which the struggle for existence has a similar effect to the artificial selection involved in selective breeding. Darwin has been described as one of the most influential figures in human history and was honoured by burial in Westminster Abbey. Darwin's early interest in nature led him to neglect his medical education at the University of Edinburgh; instead, he helped to investigate marine invertebrates. His studies at the University of Cambridge's Christ's Col ...
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The Variation Of Animals And Plants Under Domestication
''The Variation of Animals and Plants under Domestication'' is a book by Charles Darwin that was first published in January 1868. A large proportion of the book contains detailed information on the domestication of animals and plants but it also contains in Chapter XXVII a description of Darwin's theory of heredity which he called pangenesis. Background Darwin had been working for two years writing his "big book", provisionally titled ''Natural Selection'', when on 18 June 1858 he received a parcel from Alfred Wallace, who was then living in Borneo. It enclosed a twenty pages manuscript describing an evolutionary mechanism that was similar to Darwin's own theory. Under pressure to publish his ideas, Darwin started work on an " abstract" summary, which was published in November 1859 as ''On the Origin of Species''. In the introduction he announced that in a future publication he hoped to give "in detail all the facts, with references, on which my conclusions have been grounded ...
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