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  • Title: The Metabolic Flexibility of Hovering Vertebrate Nectarivores.
    Author: Welch KC, Myrka AM, Ali RS, Dick MF.
    Journal: Physiology (Bethesda); 2018 Mar 01; 33(2):127-137. PubMed ID: 29412058.
    Abstract:
    Foraging hummingbirds and nectar bats oxidize both glucose and fructose from nectar at exceptionally high rates. Rapid sugar flux is made possible by adaptations to digestive, cardiovascular, and metabolic physiology affecting shared and distinct pathways for the processing of each sugar. Still, how these animals partition and regulate the metabolism of each sugar and whether this occurs differently between hummingbirds and bats remain unclear.
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