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Comparisons of song patterns, single chirps and single bursts of trilling. O. mhatreae sp. nov. recorded in Querétaro. All remaining recordings in library of NC. Oecanthus leptogrammus and O. allardi recorded in Nicaragua; remaining species recorded in the United States.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith