How Do Birds Find Their Way? (Let's-Read-and-Find-Out Science 2)
"Birds don't need maps!Many birds make long journeys twice each year as they migrate between their winter and summer homes. Arctic terns fly more than 10,000 miles from the South Pole to northern Maine. Tiny little hummingbirds fly nonstop over the ocean for 500 miles. How do they know whi...
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| 格式: | 图书 |
| 语言: | Undetermined |
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HarperCollins
1996
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