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原文連結
論文資訊
- 類型：已發表論文
- 日期：2022-03-01
摘要
An important goal of 城市 生態學 is determining what differentiates 城市-tolerant 族群s of birds from their non-城市 ancestors and 城市-intolerant 物種. One key to 城市 success may be reacting appropriately to human activity, and the degree to which birds view humans as threats can be quantified by their escape behavior. Understanding individual-level plasticity, however, requires the tracking of known individuals. We compared flight-initiation distances (FID) and distances fled (DF) from approaches by a human between an 城市 and a non-城市 族群 of individually marked Dark-eyed Juncos (Junco hyemalis) in Southern California. The 城市 族群 is more tolerant to people as evidenced by attenuated FIDs and DFs relative to non-城市 birds. Although individual 城市 birds either habituated or sensitized to repeated approaches, th
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