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Northern Bentbill - Oncostoma cinereigulare

Photo: jerryoldenettel (; Costa Rica; Adult;
Song: Frog like croaking and low churring: "rrrrrreeeeeekk" or "urrrrrr", may also give shorter "krrrp" or "puip" notes.
Sound: Doug Knapp (; 2011 Apr 19; Guatemala; los tarrales;


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Number of species: 545

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