FIGURE 3 in Advertisement calls of 18 anuran species in the megadiverse Atlantic Forest in southeastern Brazil: review and update

FIGURE 3. Spectrogram (up) and oscillogram (bottom) of advertisement calls of Boana albopunctata treefrog; December 27, 2018, 20:42h; Air temperature = 17.1°C, Air humidity = 96.2%; Water temperature = 22°C. Spectrogram parameters: window size = 1024, overlap = 90%, window type = "Hann". Figure created in R package seewave (Sueur et al. 2008). Photo by Maria Carolina R. Manzano.