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First Observation of Sap Well Use and Maintenance by the Glossy Flowerpiercer (Diglossa lafresnayii) (Thraupidae)

Paul R. Martin, Frances Bonier and Ignacio T. Moore
The Wilson Journal of Ornithology
Vol. 121, No. 1 (Mar., 2009), pp. 213-215
Stable URL: http://www.jstor.org/stable/20616883
Page Count: 3
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
First Observation of Sap Well Use and Maintenance by the Glossy Flowerpiercer (Diglossa lafresnayii) (Thraupidae)
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Abstract

We report observations of a Glossy Flowerpiercer (Diglossa lafresnayii, Thraupidae) using and maintaining sap wells on three shrubs (Asteraceae: Baccharis arbutifolia) on the east slope of the Ecuadorian Andes. The flowerpiercer rotated among shrubs in a trapline fashion, licking and drinking sap and dragging its hooked upper mandible, and possibly also its lower mandible, along the wounds in the Baccharis trunks, presumably to keep sap flowing. This represents, to our knowledge, the first description of sap well use and maintenance in the Thraupidae.

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