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  • 标题:Occupation of Monk Parakeet (Myiopsitta monachus) nest cavities by House Sparrows (Passer domesticus) in Rio Grande do Sul, Brazil
  • 本地全文:下载
  • 作者:Norman Wagner -
  • 期刊名称:Boletín SAO
  • 印刷版ISSN:0123-9082
  • 出版年度:2011
  • 卷号:20
  • 期号:02
  • 出版社:Sociedad Antioqueña de Ornitología (SAO)
  • 摘要:Occupations of nest cavities in a Monk Parakeet community nest by several House Sparrows are reported. Only male sparrows were included in the aggressive behavior and attacked the larger parrots together. To the best of my knowledge, the observed occupation behavior in the House Sparrow has not been reported previously. Furthermore, this is the first observation of an aggressive occupation of nest cavities in a Monk Parakeet community nest by House Sparrows. The two species are common and well studied, but there is no information about their direct competition by nesting places
  • 关键词:Keywords: aggressive behavior, competition, introduced species, nest usurpation.
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