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The guira cuckoo, known in Spanish as the (''Guira guira'') is a species of
gregarious Sociality is the degree to which individuals in an animal population tend to associate in social groups (gregariousness) and form cooperative societies. Sociality is a survival response to evolutionary pressures. For example, when a mother was ...
bird found widely in open and semi-open habitats of northeastern, eastern and southern
Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
,
Uruguay Uruguay, officially the Oriental Republic of Uruguay, is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast, while bordering the Río de la Plata to the south and the A ...
,
Paraguay Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the Argentina–Paraguay border, south and southwest, Brazil to the Brazil–Paraguay border, east and northeast, and Boli ...
,
Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...
, and northeastern
Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
. It is the only species placed in the
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
''Guira''.


Taxonomy

The guira cuckoo was described and illustrated in 1648 by the German naturalist
Georg Marcgrave Georg Marcgrave (originally , also spelled ''"Marcgraf" "Markgraf"'') (1610 – 1644) was a German naturalist and astronomer, whose posthumously published ''Historia Naturalis Brasiliae'' was a major contribution to early modern science. Life B ...
in his ''Historia Naturalis Brasiliae''. He used the name "Guira angatara". The word ''Güirá'' means "bird" in the
Guarani language Guarani (Avañe'ẽ), also called Paraguayan Guarani, is a language of South America that belongs to the Tupi–Guarani branch of the Tupian languages, Tupian language family. It is one of the two official languages of Paraguay (along with Spa ...
. Later ornithologists based their descriptions on Marcgrave's account:
Francis Willughby Francis Willughby (sometimes spelt Willoughby, ) Fellow of the Royal Society, FRS (22 November 1635 – 3 July 1672) was an English ornithology, ornithologist, ichthyology, ichthyologist and mathematician, and an early student of linguistics an ...
in 1678,
John Ray John Ray Fellow of the Royal Society, FRS (November 29, 1627 – January 17, 1705) was a Christian England, English Natural history, naturalist widely regarded as one of the earliest of the English parson-naturalists. Until 1670, he wrote his ...
in 1713,
Mathurin Jacques Brisson Mathurin Jacques Brisson (; 30 April 1723 – 23 June 1806) was a French zoologist and natural philosophy, natural philosopher. Brisson was born on 30 April 1723 at Fontenay-le-Comte in the Vendée department of western France. Note that page 14 ...
in 1760, and
Georges-Louis Leclerc, Comte de Buffon Georges-Louis Leclerc, Comte de Buffon (; 7 September 1707 – 16 April 1788) was a French Natural history, naturalist, mathematician, and cosmology, cosmologist. He held the position of ''intendant'' (director) at the ''Jardin du Roi'', now ca ...
in 1779. When the German naturalist
Johann Friedrich Gmelin Johann Friedrich Gmelin (8 August 1748 – 1 November 1804) was a German natural history, naturalist, chemist, botanist, entomologist, herpetologist, and malacologist. Education Johann Friedrich Gmelin was born as the eldest son of Philipp F ...
revised and expanded
Carl Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...
's ''
Systema Naturae ' (originally in Latin written ' with the Orthographic ligature, ligature æ) is one of the major works of the Sweden, Swedish botanist, zoologist and physician Carl Linnaeus (1707–1778) and introduced the Linnaean taxonomy. Although the syste ...
'' in 1788 he included the guira cuckoo. He placed it with all the other cuckoos in the
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
''
Cuculus ''Cuculus'' is a genus of cuckoos which has representatives in most of the Old World, although the greatest diversity is in tropical southern and southeastern Asia. Taxonomy The genus ''Cuculus'' was introduced in 1758 by the Swedish naturalist ...
'' and coined the
binomial name In taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, altho ...
''Cuculus guira''. The guira cuckoo is now the only species placed in the genus ''Guira'' that was introduced in 1830 by the French naturalist
René Lesson René Primevère Lesson (20 March 1794 – 28 April 1849) was a French surgery, surgeon, natural history, naturalist, ornithologist, and herpetologist. Biography Lesson was born at Rochefort, Charente-Maritime, Rochefort, and entered the Naval ...
. The species in
monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...
: no
subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...
are recognised. It is most closely related to the anis in the genus ''
Crotophaga The anis are the three species of birds in the genus ''Crotophaga'' of the cuckoo family. They are essentially tropical New World birds, although the range of two species just reaches the United States.Payne, R.B. (2005). ''The Cuckoos''. Oxfor ...
.


Description

The guira cuckoo has a total length of approximately and weighs . The sexes are very similar in appearance, except that the female is slightly larger than the male. Juveniles appear quite similar to adults. The species has dark brown upperparts streaked with white, and whitish-buff throat, breast, underparts and rump. The tail is relatively long and broad, dark brown in color with a white-tip, and the legs are dark gray. The eyes and beak are yellow to orange, with a thin ring of featherless yellow skin around the eye (this commonly fades in
captivity Captivity, or being held captive, is a state wherein humans or other animals are confined to a particular space and prevented from leaving or moving freely. An example in humans is imprisonment. Prisoners of war are usually held in captivity by a ...
). There is a prominent orange-rufous
crest Crest or CREST may refer to: Buildings * The Crest (Huntington, New York), a historic house in Suffolk County, New York * "The Crest", an alternate name for 63 Wall Street, in Manhattan, New York * Crest Castle (Château Du Crest), Jussy, Sw ...
. The bird's
call Call or Calls may refer to: Arts, entertainment, and media Games * Call (poker), a bet matching an opponent's * Call, in the game of contract bridge, a bid, pass, double, or redouble in the bidding stage Music and dance * Call (band), from L ...
is unmistakable for being long and shrill, something between a long whistle and a wailing. Like other members of the subfamily
Crotophaginae The Crotophaginae are a small subfamily, within the cuckoo family Cuculidae, of four gregarious bird species occurring in the Americas. They were previously classified as a family Crotophagidae. The subfamily is notable for the development of co ...
, the guira cuckoo gives off a strong, pungent odour.


Behaviour

The guira cuckoo is a bird of open habitats such as pastures and wetlands, and its range has expanded significantly due to
deforestation Deforestation or forest clearance is the removal and destruction of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. Ab ...
. Within its distribution, it is commonly seen in suburban parks and gardens. Like the related
squirrel cuckoo The squirrel cuckoo (''Piaya cayana'') is a large and active species of cuckoo found in wooded habitats from northwestern Mexico to northern Argentina and Uruguay, and on Trinidad. Some authorities have split off the western Mexican form as the M ...
, the guira cuckoo is not a particularly adept flier, and usually flies only for short distances. It is often seen gliding or hopping from one perch to another while vocalizating loudly. Although it is primarily an
arboreal Arboreal locomotion is the locomotion of animals in trees. In habitats in which trees are present, animals have evolved to move in them. Some animals may scale trees only occasionally (scansorial), but others are exclusively arboreal. The hab ...
bird, it is often seen foraging on the ground, sometimes alone but often in flocks of up to 18 individuals. It is sometimes seen with other birds whose behaviour is similar, such as the
smooth-billed ani The smooth-billed ani (''Crotophaga ani'') is a bird in the cuckoo family. It is a resident breeding species from southern Florida, the Caribbean, parts of Central America, south to western Ecuador, Brazil, northern Argentina and southern Chile. ...
. Unlike many of the Old World cuckoos, the guira cuckoo does not practice
brood parasitism Brood parasitism is a subclass of parasitism and phenomenon and behavioural pattern of animals that rely on others to raise their young. The strategy appears among birds, insects and fish. The brood parasite manipulates a host, either of the ...
or
kleptoparasitism Kleptoparasitism (originally spelt clepto-parasitism, meaning "parasitism by theft") is a form of feeding in which one animal deliberately takes food from another. The strategy is evolutionarily stable when stealing is less costly than direct f ...
.


Food and feeding

The guira cuckoo is an opportunistic predator, gathering small prey items on the ground or searching for them among branches. It feeds on worms, insects and other arthropods, tadpoles and frogs, eggs, small birds (especially nestlings) and small mammals such as mice. It also has been observed feeding on lizards.Bernarde, Paulo Sérgio; Mota da Silva, Ageane; Recoder, Renato (2016). "Predation on the lizard ''Pantodactylus parkeri'' Ruibal, 1952 (Squamata: Gymnophthalmodae) by ''Guira guira'' (Aves, Cuculidae) in the Pantanal at Pocone, Western Brazil". ''Herpetology Notes'' 9: 279-281.


Breeding

The nest is built on a tree fork from the ground. The eggs (from 5 to 7) are dark green and covered with a chalky layer. They are incubated either in individual or community nests; in the latter one can find up to 20 eggs. Under community nests there are many broken eggs. The competition between young being great, mortality is significant.


Gallery

File:Anu branco.jpg, Wild individual in Brazil File:Guira guira national aviary.jpg, At the
National Aviary The National Aviary, located in Pittsburgh, Pennsylvania, Pittsburgh, Pennsylvania, is the only independent indoor nonprofit aviary in the United States. It is also the country's largest indoor aviary, and the only one accorded honorary "Nationa ...
,
Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...
. File:Guira Cuckoo (Guira guira) -Isle of Wight-8.jpg, At Amazon World Zoo Park,
Isle of Wight The Isle of Wight (Help:IPA/English, /waɪt/ Help:Pronunciation respelling key, ''WYTE'') is an island off the south coast of England which, together with its surrounding uninhabited islets and Skerry, skerries, is also a ceremonial county. T ...
File:Guira cuckoo (Guira guira).JPG, in the
Pantanal The Pantanal () is a natural region encompassing the world's largest tropical wetland area, and the world's largest Flooded grasslands and savannas, flooded grasslands. It is located mostly within the Brazilian state of Mato Grosso do Sul, but i ...
, Brazil File:Guira cuckoos (Guira guira).JPG, in the Pantanal, Brazil File:Guira guira-feeding.jpg, Scavenging at Costanera Sur,
Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...


References


External links


Guira at the Internet Bird Collection (IBC)

Guiera at Zoo Basel / Switzerland
Zoo Basel Zoo Basel is a non-profit zoo in the city of Basel, Switzerland. Its official name is ''Zoologischer Garten Basel'' — or in English: Basel Zoological Garden. Basel residents affectionately call it ''Zolli''.
including map. * {{Taxonbar, from=Q911917
guira cuckoo The guira cuckoo, known in Spanish as the (''Guira guira'') is a species of Sociality, gregarious bird found widely in open and semi-open habitats of northeastern, eastern and southern Brazil, Uruguay, Paraguay, Bolivia, and northeastern Argent ...
guira cuckoo The guira cuckoo, known in Spanish as the (''Guira guira'') is a species of Sociality, gregarious bird found widely in open and semi-open habitats of northeastern, eastern and southern Brazil, Uruguay, Paraguay, Bolivia, and northeastern Argent ...
Birds of South America
guira cuckoo The guira cuckoo, known in Spanish as the (''Guira guira'') is a species of Sociality, gregarious bird found widely in open and semi-open habitats of northeastern, eastern and southern Brazil, Uruguay, Paraguay, Bolivia, and northeastern Argent ...
guira cuckoo The guira cuckoo, known in Spanish as the (''Guira guira'') is a species of Sociality, gregarious bird found widely in open and semi-open habitats of northeastern, eastern and southern Brazil, Uruguay, Paraguay, Bolivia, and northeastern Argent ...