Table 1.

Acoustic properties of three types of calls of the Atlantic Forest populations of Allobates. Values presented as mean ± SD (range) number of calls.

Call type	Male advertisement call					Male aggressive call		Female amplectant call
Municipality (State)	Rio de Janeiro (RJ)	Igrapiuna (BA)	Ituberá (BA)	Porto Seguro (BA)	Passo de Camaragibe (AL)	Igrapiuna (BA)	Passo de Camaragibe (AL)	Porto Seguro (BA)
Individuals	1	9	1	2	2	1	1	1
Interval between notes (s)	0.328 ± 0.039 (0.296 – 0.449) 15	0.666 ± 0.387 (0.203 – 2.958) 180	0.308 ± 0.035 (0.262 – 0.381) 23	0.396 ± 0.530 (0.076 – 2.921) 37	0.190 ± 0.100 (0.083 – 0.624) 48	not applicable	not applicable	0.423 ± 0.254 (0.229 – 1.163) 19
Note or call duration (s)	0.046 ± 0.003 (0.039 – 0.053) 25	0.042 ± 0.016 (0.024 – 0.089) 180	0.032 ± 0.002 (0.028 – 0.038) 23	0.044 ± 0.012 (0.030 – 0.068) 37	0.022 ± 0.006 (0.007 – 0.039) 48	0.64 ± 0.042 (0.611 – 0.706) 4	0.28 ± 0.11 (0.15 – 0.35) 3	0.032 ± 0.006 (0.026 – 0.044) 25
Minimum frequency (kHz)	4.83 ± 0.08 (4.48 – 4.91) 25	5.67 ± 0.15 (5.40 – 5.94) 180	5.82 ± 0.11 (5.55 – 6.00) 23	5.83 ± 0.08 (5.68 – 5.98) 37	5.91 ± 0.16 (5.44 – 6.31) 48	4.22 ± 0.011 (4.07 – 4.32) 4	5.41 ± 0.53 (5.36 – 5.47) 2	5.34 ± 0.76 (5.21 – 5.51) 25
Peak of dominant frequency (kHz)	4.91 ± 0.08 (4.60 – 5.06) 25	5.80 ± 0.15 (5.49 – 6.03) 180	6.01 ± 0.10 (5.64 – 6.09) 23	5.99 ± 0.04 (5.94 – 6.05) 37	6.14 ± 0.14 (5.90 – 6.35) 48	6.03 ± 0.13 (5.83 – 6.13) 4	6.04 ± 0.48 (5.55 – 6.52) 2	5.47 ± 0.78 (5.21 – 5.51) 25
Maximum frequency (kHz)	5.04 ± 0.08 (4.71 – 5.10) 25	5.86 ± 0.15 (5.55 – 6.09) 180	6.07 ± 0.06 (5.85 – 6.13) 23	6.09 ± 0.06 (5.98 – 6.30) 37	6.24 ± 0.16 (6.00 – 6.54) 48	6.56 ± 0.13 (6.37 – 6.67) 4	6.92 ± 0.42 (6.50 – 7.34) 2	5.52 ± 0.08 (5.38 – 5.72) 25
Range frequency (kHz)	0.21 ± 0.03 (0.10 – 0.28) 25	0.18 ± 0.05 (0.08 – 0.32) 180	0.24 ± 0.07 (0.08 – 0.36) 23	0.25 ± 0.06 (0.12 – 0.41) 37	0.33 ± 0.20 (0.15 – 1.07) 48	2.33 ± 0.19 (2.15 – 2.60) 4	1.50 ± 0.36 (1.14 – 1.87) 2	0.18 ± 0.05 (0.08 – 0.26) 25