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原文連結
論文資訊
- 類型：已發表論文
- 日期：2022-03-04
摘要
Bold or shy? Examining the risk-taking behavior and neophobia of invasive and non-invasive house sparrows. Behavior provides a useful framework for understanding specialization, with animal personality aiding our understanding of the invasiveness of birds. Invasions imply dispersion into unknown areas and could require changes in behavior or spatial clustering based on personality. Reduced neophobia and increased exploring behavior could allow individuals to colonize new areas as they test and use non-familiar resources. Here, we hypothesized that house sparrow (Passer domesticus) individuals from invasive 族群s would exhibit bolder behavior than in non-invasive 族群s. We assessed risk taking and neophobia in male house sparrows in Barcelona (where it is considered native) and in Mexico City (
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