Last Updated
：2025/12/05
population bottleneck
（ plural ）
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A sudden (normally temporary) decrease in a population typically due to a stressful situation
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population bottleneck
The island's native bird species suffered a severe population bottleneck after the volcanic eruption, reducing genetic diversity for generations.
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The island's native bird species suffered a severe population bottleneck after the volcanic eruption, reducing genetic diversity for generations.
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