Abstract
espanolEn nuestro estudio con nidos artificiales observamos que la ausencia de especies de aves que nidifican en el suelo en el centro urbano y en barrios residenciales se debia a las molestias causadas por personas y animales domesticos (perros y gatos) y no a la depredacion. Ademas, la presion por depredacion fue superior en la periferia de la ciudad debido al mayor numero de depredadores naturales. Nuestros resultados sugieren que la planificacion y creacion de zonas protegidas podrian aumentar la posibilidad de que las aves que nidifican en el suelo se establecieran y se reprodujeran en paisajes dominados por los humanos. EnglishIn our study with artificial nests we observed that the absence of ground nesting bird species in the city centre and in residential districts was due to disturbance by humans and domestic animals (dogs and cats) rather than to predation. Furthermore, predation pressure was higher in the outskirts of the city due to the greater number of natural predators. Our results suggest that planning and creating undisturbed areas could increase the chances of ground nesting birds settling and breeding in human–dominated landscapes.
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