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The Arizona-Sonora Desert Museum will re-open at 11 a.m. today. While the source of water loss is still unknown, water is flowing into, and collecting properly, in the Desert Museum’s reservoir. Food service will be limited to pre-packaged items for the remainder of the day. All other activities are back on the normal schedule. Thank you.

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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