We studied aggressive behaviors of birds influenced by artificial feeders with seeds in a semi-arid region of Chile. In eight experimental feeders we recorded 1,118 social interaction events, which included 366 aggressive behaviors (32.74 %). This resource caused social instability in some species, suggesting comparative differences in the expression of agonistic behaviors. In addition, the 34.78 % of the granivorous birds described for the study area used the feeders, which indicate that they are not suitable to assessing species richness.
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Copyright (c) 2022 Matías Portflitt-Toro, Rene Quispe, Camila P. Villavicencio
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