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Cranes have fixed migration routes. For some species, the travel reaches great altitudes and is possible only because of the specific avian respiration organs.

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The Flight of the Cranes

  • 章节

  • 发表日期：

    2025年

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  • Helmut Satz

摘要

Cranes have fixed migration routes. For some species, the travel reaches great altitudes and is possible only because of the specific avian respiration organs.