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El hornero

versión impresa ISSN 0073-3407versión On-line ISSN 1850-4884

Resumen

HOYOS, Sergio Luis; FANJUL, María Elisa  y  ALDERETE, Mariela. ASPECTS OF THE REPRODUCTIVE BIOLOGY OF THE GREAT KISKADEE (PITANGUS SULPHURATUS) UNDER DIFFERENT DEGREES OF URBANIZATION IN AN URBAN AGGLOMERATION OF NORTHWESTERN ARGENTINA. Hornero [online]. 2022, vol.37, n.2, pp.17-17. ISSN 0073-3407.

Urbanizations are one of the main causes of biodiversity loss. However, birds are no strangers to the new challenges of city life. The Great Kiskadee (Pitangus sulphuratus) is common in various environments, including rural and urban. In Greater San Miguel de Tucumán (GSMT), province of Tucumán, Argentina, there are higher levels of urbanization to the east and lower levels to the west, bordering the Sierra de San Javier. Although different aspects of the biology of birds in natural environments are known, knowledge in urban environments is scarce. The objective of this work was to evaluate different aspects of the nesting of the Great Kiskadee in urban environments and how they vary between different levels of urbanization. The study was carried out in three sectors of the GSMT, two in the city of San Miguel de Tucumán and one in Yerba Buena, du-ring the reproductive seasons (September-March) of 2020-2022. A total of 46 nests were found, of which 27 of them were successful. The known breeding period for the species, the height of nest supports are extended, and the materials used in nest construction and the survival success of fledglings are described in greater detail. There were no differences in the relative abundance of Great Kiskadee, nor in the reproductive traits evaluated, between the different levels of urbanization. These results could indicate that the Great Kiskadee is an urban adapter in terms of its nesting and relative abundance.

Palabras clave : nesting; Pitangus sulphuratus; Tucumán; urban adapter; urbanization.

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