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Swan

tipo de documento Wikipedia article Bird

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Swan
Bird
Wikipedia articleDbpedia source
Swans are birds of the family Anatidae within the genus Cygnus. The swans' close relatives include the geese and ducks. Swans are grouped with the closely related geese in the subfamily Anserinae where they form the tribe Cygnini. Sometimes, they are considered a distinct subfamily, Cygninae. There are six or seven species of swan in the genus Cygnus; in addition there is another species known as the Coscoroba Swan, although this species is no longer considered one of the true swans. Swans usually mate for life, though 'divorce' does sometimes occur, particularly following nesting failure. And if a mate dies, or is killed by a predator, the remaining mate will take up with another; however, if all goes well in the pairing, they indeed will stay together for life. The number of eggs in each clutch ranges from three to eight.
Swan
Synonym Cygnanser (Kretzoi, 1957)
English Wikipedia http://en.wikipedia.org/wiki/Swan
Spanish wikipedia http://es.wikipedia.org/wiki/Cygnus_(género)
Wiki page external link http://books.google.com/books?id=NIJIAAAAYAAJ&pg=PA335&dq=mark+of+swans&as_brr=1&cd=2#v=snippet&q=peyton&f=false/ http://imeleon.com/keywords/1/swan.html http://www.artinthepicture.com/paintings/tags/swan/ http://www.swanuk.org.uk/ http://www.youreporter.it/video_Colonia_di_Cigni_nell_Adda http://ibc.lynxeds.com/family/ducks-geese-swans-anatidae

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Fecha publicación: 2.11.2014

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