Brewer's Sparrow - Spizella breweri
Photo: tony battiste; 2007 Nov 15; USA, Arizona; Sulphur Springs Valley; Adult;
Song: Series of highly variable trills and buzzes descending in pitch "zeer-zeer-zeer tir-tir-ti-tir cheeeeee dee-dee-dee-dee zrr-zrr-zrr-zrrr zreeee". May have song elements that resemble other "trillers" but varies the pattern more than other sparrows.
Sound: Geoffrey A. Keller (Macaulay Library, Cornell # 56914); 1991 Jun 2; USA, California; 25 km S from Newell; Adult; Primary Sound;
