发表于2024-11-29
How Do Birds Find Their Way? 2024 pdf epub mobi 电子书
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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.
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
How Do Birds Find Their Way? 2024 pdf epub mobi 电子书