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Marine iguanas shrink to survive El Niño

Changes in bone metabolism enable these adult lizards to reversibly alter their length.

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Figure 1
Figure 2: Change in body length as an adaptation to harsh conditions.

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Wikelski, M., Thom, C. Marine iguanas shrink to survive El Niño. Nature 403, 37–38 (2000). https://doi.org/10.1038/47396

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