Last Updated:2025/11/21

The ratite sternum lacks the keel found in flying birds, reflecting adaptations to a flightless lifestyle.

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The ratite sternum lacks the keel found in flying birds, reflecting adaptations to a flightless lifestyle.

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走鳥類の胸骨は飛ぶ鳥に見られる胸骨の竜骨を欠いており、飛べない生活様式への適応を示している。

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