Figure 5 in Nesting evidence, density and vocalisations in a resident population of Savannah Sparrow Passerculus sandwichensis wetmorei in Guatemala

Figure 5. Sonograms of songs of four male Savannah Sparrows Passerculus sandwichensis wetmorei in PRM Todos Santos Cuchumatán, dpto. Huehuetenango, Guatemala: (a) 5 June 2016 (Knut Eisermann, XC333471), including waveform, (b) 5 June 2016 (Knut Eisermann, XC333471), (c) 3 June 2016 (Knut Eisermann, XC333472), (d) 3 June 2016 (Knut Eisermann, XC333473). DW = descendent whistle. See Table 1 for signal measurements of marked notes.图5：危地马拉韦韦特南戈省托多斯桑托斯库奇马坦（PRM Todos Santos Cuchumatán, dpto. Huehuetenango, Guatemala）4只雄性萨凡纳雀（Passerculus sandwichensis wetmorei）鸣唱的声谱图：(a) 2016年6月5日（克努特·艾瑟曼[Knut Eisermann]，XC333471），含波形图；(b) 2016年6月5日（克努特·艾瑟曼，XC333471）；(c) 2016年6月3日（克努特·艾瑟曼，XC333472）；(d) 2016年6月3日（克努特·艾瑟曼，XC333473）。DW为下行哨音（descendent whistle）。标记音符的信号测量参数详见表1。