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   Streptopelia decaocto (oiseau)  English 
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    Nom taxonomique: Streptopelia decaocto (Frivaldszky, 1838)
    Synonymes: Columba risoria decaocto
    Noms communs: Balkáni gerle (Hungarian-Hungary), collared dove (English), Eurasian collared-dove (English), Indian ring-dove (English), Kolchataya Gorlitsa (Russian-Russia), Rola-turca (Portuguese-Portugal), Sierpówka (Polish-Poland), Tórtola turca (Spanish-Spain), Tortora dal collare (Italian-Italy), Tourterelle turque (French-France), Turkduva (Swedish-Sweden), Türkentaube (German-Germany), Turkinkyyhky (Finnish-Finland), Turkse Tortel (Dutch-Netherlands), Tyrkerdue (Danish)
    Type d'organisme: oiseau
    Originaire d'Inde, du Sri Lanka et du Myanmar, la tourterelle turque a, au cours du siècle passé, migré à travers toute l'Europe jusqu'au niveau du cercle arctique. Cette espèce a été introduite aux Bahamas et en Guadeloupe dans les années 1970 et ne cesse depuis d'étendre son aire de répartition. Il est probable que cette espèce rentre en concurrence avec des espèces indigènes d'oiseaux.
    The Eurasian collared-dove (Streptopelia decaocto) is a stocky, medium-sized dove. Adults are gray with a distinguishable black collar and squared tail. They have a pinkish hue to their head and breast. The narrow black collar is located on the hind neck and is lined with white. Its wings bear a gray band across the coverts and primaries are dark brown. The undertail coverts are gray, with a black and white pattern, and a broad, white terminal edge. Its bill is slender and black, their eyes have a deep red iris, and legs and feet are a dark red. Females and males alike plumages year-round. Juveniles similar with pale red margins on breast, wing, and back feathers and lacking a complete collar until about 3 months old (Romagosa, 2002; Sibley, 2003).
    Se rencontre dans:
    broussailles/savanes, désert, prairies, zones agricoles, zones ripisylves, zones urbaines
    Description de l'habitat
    Often found in suburban, urban, and agricultural areas Streptopelia decaocto roosts in trees, buildings, barns, poles, overhead wires, etc. It is described as preferring open habitats including open woodland, scrub, and desert, but commonly avoiding heavily forested areas, as well as those with intense agriculture where there are no suitable roosting, nesting, or feeding sites available. In India, its original range, Eurasian collared-doves are found in open country usually near agricultural areas but also frequent towns and villages. In Europe and North America, they are found in areas where grain is available and depend heavily on food indirectly provided by humans. Nesting typically occurs in areas of human habitation, commonly using coniferous and deciduous trees and shrubs in addition to buildings and man-made structures (Romagosa, 2002; Sibley, 2003).
    Impacts globaux
    The vast expansion of the Eurasian collared-dove is believed to result in competition with other bird species including mourning dove (Zenaida macroura), turtledove (Streptopelia turtur). They may threaten agriculture as they are known to eat and foul grain products. They are considered a crop pest in Pakistan (Roberts, 1991). Streptopelia decaocto is also a carrier and amplifying species for West Nile virus since antibodies have been recorded in S. decaocto. Researchers have indicated it as an amplifying bird, meaning a species which lives in areas of abundant ornithophilic mosquitoes and can act as a host, contributing to the proliferation of the virus (Jourdain et al, 2007). S. decaocto is also a carrier of the Pigeon circovirus which causes illness and mortality in the Columbiformes family (Kubicek & Taras, 2005).
    The Eurasian collared-dove is a popular game bird (Romagosa, 2002).
    Distribution géographique
    Régions d’origine: Originaire d'Inde, du Sri-Lanka et du Myanmar, l'espèce a migré en Europe au cours du siècle dernier, et son habitat s'étend continuellement jusqu'au cercle Arctique.
    Régions d'introduction connues: Introduite aux Bahamas et dans l'île de la Guadeloupe (Barré et al, 1997).
    Informations pour la gestion de l'espèce
    Physical: Streptopelia decaocto is popularly hunted in the United States where it abundantly populates southeastern states. Due to its status as an introduced species, it is not protected and hunting is generally encouraged. However, hunting is often limited to native dove seasons and differs from state to state. Hunting is expected to reduce populations in rural areas but suburban populations will remain unaffected. Legal protection was removed in Britain and is considered as a pest species (Romagosa, 2002).
    Streptopelia decaocto feeds on primarily seed and cereal grain but also consumes fruits, berries, plants, and small invertebrates. It relies heavily on food provided by humans including bird feeders, agricultural grain, and animal feed. Most of its feeding is done on the ground pecking seeds, but is known to feed on elevated bird feeders and berries on bushes and trees (Romagosa, 2002).
    Oviparous, sexual. Streptopelia decaocto usually breeds between February and October in most of its range but may breed year-round in India, or other warm regions if food is abundant. Courting consists of males showing nest site and calling to females. Female acceptance is indicated by allo-preening and a nest call. Clutches typically consist of only 2 eggs with the first egg being significantly larger. Incubation is performed by both parents for about 15 days when eggs hatch. Young are fed by regurgitation. Hatching is asynchronous at an interval of 12-40 hours. Fledging occurs about 18 days after hatching. Most young become independent by 30-40 days old (Romagosa, 2002).
    Stades du cycle de vie
    Eggs typically hatch after 15 days of incubation. Young are brooded for 10-12 days after hatching and fed by parental regurgitation of crop milk; seeds are eventually introduced to the diet. Fledging occurs at around 18-20 days, and are completely independent by 30-40 days old. Sexual maturity is usually reached by its first spring. In Europe first year mortality is 50-70%, adult mortality 33-55% annually thereafter. The longest known lifespan of the Eurasian collared-dove was 13 years 8 months (Romagosa, 2002).
    Révisé par: Christina M. Romagosa, Center for Forest Sustainability, Department of Biological Sciences, Auburn University.
    Compilé par: Compiled by: National Biological Information Infrastructure (NBII), Comité français de l'UICN (IUCN French Committee) & IUCN SSC Invasive Species Specialist Group (ISSG)
    Dernière mise à jour: Friday, 14 March 2008

ISSG Landcare Research NBII IUCN University of Auckland