Floral acoustics: conspicuous echoes of a dish-shaped leaf attract bat pollinators

Ralph Simon, Marc W Holderied, Corinna U Koch, Otto von Helversen

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    The visual splendor of many diurnal flowers serves to attract visually guided pollinators such as bees and birds, but it remains to be seen whether bat-pollinated flowers have evolved analogous echo-acoustic signals to lure their echolocating pollinators. Here, we demonstrate how an unusual dish-shaped leaf displayed above the inflorescences of the vine Marcgravia evenia attracts bat pollinators. Specifically, this leaf's echoes fulfilled requirements for an effective beacon, that is, they were strong, multidirectional, and had a recognizable invariant echo signature. In behavioral experiments, presence of the leaves halved foraging time for flower-visiting bats.

    Original languageEnglish
    Pages (from-to)631-3
    Number of pages3
    JournalScience
    Volume333
    Issue number6042
    DOIs
    Publication statusPublished - 29 Jul 2011

    Keywords

    • Animals
    • Chiroptera
    • Echolocation
    • Ericales
    • Feeding Behavior
    • Flowers
    • Male
    • Photosynthesis
    • Plant Leaves
    • Plant Nectar
    • Pollination
    • Sound
    • Journal Article
    • Research Support, Non-U.S. Gov't

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