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Artificial Nest Predation: Application, Challenges and Perspectives for the Tropical Areas” The natural predation of the nests has been suggested as the principal cause to the decline of bird population, acting on the performance and community structure. Due to the difficulty of natural nest localization and monitoring, the artificial nests are used as a fast alternative to check the avian reproductive success. The artificial nest studies are widely known in temperate environments where most of the nest predation information has been gotten. In the tropics, the artificial nest studies have still been scarce and in the Brazil, there are few studies about this subject. This work has as a goal to give information about the use and the limitation of artificial nest predation. It also checks some nest predation patterns in tropical environments. The first chapter had been developed in Anchieta Island which has a higher density of mammal and lizard nest predators. Some methodological aspects were investigated related to the artificial nest localization and the selective behavior of the predators by different kinds of eggs used in the predation experiments. The mammals had been the main predators of nests and the plasticine eggs had been good egg substitute of the natural wild eggs. The second chapter, the variation in the predation, of two kinds of artificial nests (on the ground and shrub) in the different islands, fragments and continue areas, had been studied. The islands showed a higher level of nest predation, mainly in those which have exotic species, than the fragments and continue areas. Related to the kind of nest (shrub and ground), it was checked that the ground nests were more vulnerable to depredation in the islands and in the continues areas. The islands and the fragments, besides being geographically isolated, didn’t show the similar pattern in the ground nest predation. It is suggested that different factors can interfere in the predation patterns of the islands and the fragments, as the historical and permeability of the matrix where the fragment is located. The use of artificial nest, besides its limitation; it is a useful tool to understand wildlife avifauna nest predation patterns and can help checking the situation of conservation in different environments.

Predação de ninhos artificiais: aplicações, desafios e perspectivas para as áreas tropicais