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The algae sward height as measured in the intertidal zone where adult marine iguanas forage predicts maximum snout-to-vent length (SVL) of marine iguanas. Note that in this graph, small islands (Genovesa) also have small body sizes and large islands (Fernandina) have large body sizes (compare with figure 1). Filled circles show non-El Niño data (1998) and open squares show El Niño data (1999). The line represents a linear regression.
