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Common Cuckoo (Cuculus canorus) - Wiki latin dict size=81   common dict size=512
Image Info Original File Name: Eurasian Reed warbler feeding European or common cuckoo chick - Acrocephalus scirpaceus and Cuculus canorus.jpg Resolution: 446x628 File Size: 69508 Bytes Upload Time: 2008:01:02 13:53:04
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Subject Common Cuckoo (Cuculus canorus) - Wiki

Common Cuckoo (Cuculus canorus) - Wiki; Image ONLY
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Common Cuckoo (Cuculus canorus) - Wiki

Common Cuckoo
From Wikipedia, the free encyclopedia

Order: Cuculiformes
Family: Cuculidae

[Photo] Eurasian Reed Warbler (Acrocephalus scirpaceus) feeding a Common Cuckoo chick in a nest. Photo: Per H. Olsen. URL:
Copyright (C) Per H. Olsen
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

The Common Cuckoo (Cuculus canorus) (formerly European Cuckoo) is a member of the cuckoo order of birds, the Cuculiformes, which also includes the roadrunners, the anis, the coucals, and the Hoatzin.

The cuckoo group gets its English and scientific names from the call of the male Common Cuckoo, usually given from an open perch, goo-ko. The female has a loud bubbling call.

The cuckoo is a widespread summer migrant to Europe and Asia, and winters in Africa. It is a brood parasite, which lays its eggs in the nests of other bird species, particularly of Dunnocks, Meadow Pipits, and Reed Warblers.

This cuckoo is a greyish bird with a slender body, long tail and strong legs. The females only are sometimes brown, the “hepatic” phase. It looks like a small bird of prey in flight, although the wings stay below the horizontal. Its food is insects, with hairy caterpillars, which are distasteful to many birds, being a speciality. It is a bird of open land.

Brood parasite behaviour
An ideal breeding habitat for Cuckoos is where there are reed beds and trees. An individual female Cuckoo's territory will contain up to about 20 Reed Warbler's nests. Female Cuckoos spend a long time watching over the reed beds in their territory from the trees, and watch the behaviour of the Reed Warblers as they build their nests and start their broods. The female Cuckoo has to time her egg laying to just when the reed warblers start to lay eggs. It is not known how the hen cuckoo gets the timing right, as she cannot see the Reed Warblers' eggs from the trees, but it is likely that it is from the behaviour of warblers.

At the appropriate moment the hen Cuckoo flies down to the reed warblers' nest, pushes one Reed Warbler egg out of the nest, lays an egg and flies off. The whole process is achieved in only about 10 seconds. At 14 days old, the Cuckoo chicks are about 3 times the size of the adult Reed Warblers. The numerous and rapid hunger calls of the single cuckoo chick, and to a lesser extent its coloured gape, encourage the host parents to bring more food. Cuckoo chicks fledge after about 20 -21 days after hatching, which is about twice as long as for Reed Warblers. If the hen cuckoo is out-of-phase with a clutch of Reed Warbler eggs, she will eat them all so that the hosts are forced to start another brood.

Cuckoo chicks methodically evict all host progeny from host nests. It is a much larger bird than its hosts, and needs to monopolise the food supplied by the parents. The Cuckoo chick will roll the other eggs out of the nest by pushing them with its back over the edge. If the Reed Warbler's eggs hatch before the Cuckoo's egg, the Cuckoo chick will push the other chicks out of the nest in a similar way. Once the Reed Warbler chicks are out of the nest, the parents completely ignore them.

The combination of behaviour and anatomical adaptation of the common cuckoo was first described by Edward Jenner, who was elected as Fellow of the Royal Society in 1788 for this work. This was well before he invented vaccination.

Egg colour
Female Cuckoos are divided into gentes, that is populations favouring a particular host species' nest and laying eggs which match those of that species in colour and pattern. The colour pattern is inherited from the female only, suggesting that it is carried on the sex-determining W chromosome (females are WZ, males ZZ). It is notable that most non-parasitic cuckoos lay white eggs, like most non-passerines other than ground nesters. The exception is in the case of the Dunnock, where the Cuckoo's egg has no resemblance to its hosts' blue eggs. This is thought to be because the Dunnock is a recent host, and has not yet acquired the ability to distinguish eggs. Male Cuckoos breed with females without regard to gens. This results in gene flow between the gentes and maintains a common gene pool for the species (except for the genes on the W chromosome).

Legends about the Cuckoo
In Europe, hearing the call of the Cuckoo is regarded as the first harbinger of spring. Some local legends and traditions are based on this:

In England and Wales, The Times newspaper notoriously features correspondence every year reporting the first calls, usually around 14 April. The same thing happens in Asturias where numerous proverbs talk about the Cuckoo as a herald of spring, and where the local newspapers talk about it every year.
In Russia, there's a popular belief that a cuckoo can predict how many more years a person will live. If a person hears a cuckoo in the woods, he or she usually asks "Cuckoo, cuckoo, how long will I live?". It is believed that a person will live as many years as a cuckoo cuckooed.
In a similar way, the same beliefs are found in the traditional culture of Asturias, where people asks the cuckoo about their wedding day or how many years one will live, saying rhyming magical prayers like: "Cuquiellu, barbiellu, barbes d'escoba: ¿Cu??ntos a??os hai d'equ?? a la mio boda?" ("Cuckoo, cuckoo, beard of a broom, when will I get married?") and "Cuquiellu marmiellu, rau de perru, ¿Cu??ntos a??os hai d'equ?? al mio entierru?" ("Cuckoo, cuckoo, tail of a dog, how long until I'm buried?")
In some regions of France, a legend says that if someone has money in the pocket when he hears the first Cuckoo of the year, he will be rich the whole year.

Derivatives in the language
The word "cuckold" derives from the Cuckoo's practice of tricking other birds into raising its young.
The word "coccyx" derives from Greek kokkyx ("cuckoo") from the bone resemblance to a cuckoo's beak.

Cuckoo is a rare family name with origins believed to date back to 16th Century France. The Cuckoo name is now spread across most of the English speaking world with concentrations particularly in England.
The text in this page is based on the copyrighted Wikipedia article shown in above URL. It is used under the GNU Free Documentation License. You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.

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Scientific Name: Cuculus canorus Linnaeus, 1758
Common Names: Common Cuckoo, European Cuckoo, Eurasian Cuckoo, Cuckoo
French: Coucou gris German: Kuckuck Spanish: Cuco común
Taxonomy: Cuculus canorus Linnaeus, 1758, Sweden.
Copyright Info does not have the copyright for this image. This photograph or artwork is copyright by the photographer or the original artist. If you are to use this photograph, please contact the copyright owner or the poster.

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