How Do Birds Find Their Way? 在线电子书 图书标签:
发表于2025-02-17
How Do Birds Find Their Way? 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025
给小朋友的科普读物
评分给小朋友的科普读物
评分给小朋友的科普读物
评分给小朋友的科普读物
评分给小朋友的科普读物
Many birds travel thousands of miles each year, migrating between summer and winter homes. Just how they find their way back and forth, sometimes returning to the exact same nesting grounds each year, has puzzled ornithologists for years. Roma Gans details the many theories scientists have proposed to explain the mysteries of migration.
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How Do Birds Find Their Way? 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025