The Orientation System of a Night-Migrating Songbird

夜间迁徙鸣鸟的定向系统

• 批准号: 9419664
• 负责人: Kenneth Able
• 金额: $ 18.6万
• 依托单位: SUNY at Albany
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1995
• 资助国家: 美国
• 起止时间: 1995-09-01 至 1998-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9419664&HistoricalAwards=false
• 关键词: Orientation; System; Night; Migrating; Songbird

The Orientation System of a Night-migrating Songbird Kenneth P. Able, Principal Investigator Non-technical Summary The orientation and navigation performed by birds that migrate long distances are among the most complex behaviors performed by animals. Their reliance on several interacting compass systems provides the migrants with flexible orientation behavior that enables them to cope with the variety of environmental conditions and navigation problems that may be encountered enroute. The compasses used by migratory birds (magnetic, star, sun and polarized compasses) interact during the development of orientation abilities in young birds and also in mature, experienced migrants. These interactions take the form of calibration of one system by another. This project will use two approaches to determine the nature of these interactions. First, birds will be hand-raised under conditions in which their experience with relevant orientation cues can be controlled and manipulated. In this way, the interactions and calibrations that occur during the development of compass orientation abilities in the young animal can be explored. Experiments with adult birds will reveal the extent and nature of plasticity that persists throughout the life of a migratory bird. Migratory orientation provides some of the most elegant examples of the interplay of genetically-based learning predispositions with experience in the development and control of behavior.

夜候鸟的定向系统 Kenneth P. Able，主要研究者 非技术性总结 长距离迁徙的鸟类的定向和导航是动物最复杂的行为之一。 他们依赖于几个相互作用的罗盘系统，为移民提供了灵活的定向行为，使他们能够科普各种环境条件和途中可能遇到的导航问题。 候鸟使用的指南针（磁性，星星，太阳和偏振指南针）在幼鸟的定向能力发展过程中相互作用，也在成熟的，有经验的移民。 这些相互作用的形式是一个系统对另一个系统的校准。 本项目将使用两种方法来确定这些相互作用的性质。 首先，将在可以控制和操纵鸟类对相关方向线索的经验的条件下人工饲养鸟类。 通过这种方式，可以探索在年轻动物的罗盘定向能力的发展过程中发生的相互作用和校准。 对成年鸟类的实验将揭示候鸟一生中持续存在的可塑性的程度和性质。 迁移取向提供了一些最好的例子，说明基于遗传的学习倾向与行为发展和控制经验之间的相互作用。