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Hemiprocnidae

  • Hemiprocne

    Hemiprocne is a single genus of the treeswift (or crested swift) family Hemiprocnidae.

    1/ Grey-rumped treeswift (Yến mào, Hemiprocne longipennis)

  • Hemiprocnidae

    Treeswifts or crested swifts are a family, the Hemiprocnidae, of aerial near passerine birds, closely related to the true swifts containing a single genus, Hemiprocne. 

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