Intestines of hummingbirds rapidly take up glucose by using glucose transporters in intestinal mucosa.


"Intestinal transit time is about 15 minutes, during which time, using a high density of glucose transporters in the intestinal mucosa, some 99% of ingested glucose is absorbed." (Fowler and Miller 2003: 235)

Zoo and Wild Animal MedicineW.B. Saunders Co.Fowler, ME; Miller, RE

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