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Migratory Pollinators Program

Figure 4.

Figure 4. Seasonal changes in the isotopic composition of carbon and deuterium in the tissues and body water of white-winged doves.  Note that deuterium and d13C increase concurrently at the peak of saguaro fruit use.  Doves use saguaro as a source of both nutrients (as revealed by d13C) and water (as revealed by dD).  Points are means and bars are standard errors.  Numbers in parentheses are sample sizes.

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