Two birds "whispering" to each other in the Sedges at Tavasci Marsh [Arizona]. The first two notes you'll hear are this species' chracteristic notes - you'll hear these nasal chirps any time there are Song Sparrows in the neighborhood. The last part is the whispering - much amplified - you would not hear this from more than 20 feet away!
Douglas Von Gausig (recordist; copyright holder), Naturesongs.com
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