The Plain Wren (Thryothorus modestus) is well-named. It is plain as a post. Small and plain. Brown. But it sings beautifully and frequently! Here's an example of a high-pitched and questioning song, recorded near our cabin at the Cabinas el Bosque, Monteverde (Costa Rica), 6/17/99.
Douglas Von Gausig (recordist; copyright holder), Naturesongs.com
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