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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Fischer, Erich - Leal, I. R.
    Type: Article
    In: Instituto Internacional de Ecologia
    Date: 2006-05-01
    Publication Info: Instituto Internacional de Ecologia 2006-05-01
    Subjects: flower size  hummingbird  nectar secretion  Phaethornis  Pollination  visiting behavior