Phylloscirtus amoenus Burmeister 1880

Phylloscirtus amoenus Burmeister, 1880 Calling song A trill. Overall, the signal presents 71.2 ± 0.83 (70–72) syllables per second, with each lasting for 0.009 ± 0.0008 (0.009–0.01) seconds and intervals between them of 0.004 ± 0.0008 (0.003 –0.005) seconds. The peak frequency is 6.473 ± 0.014 (6.455 –6.492) kHz. Collection site Santa Vitória do Palmar, Pelotas and Viamão. Males produce signals during both day and night in shrubs at the edge, with calling sites between 1 and 2 metres above the ground. Individuals were recorded and collected in January 2020, at 9 pm, with a temperature of 23°C (Figures 15F and 16I). Remarks Calling song previously described by Martins et al. (2012), Zefa et al. (2013, 2022b).