Table 4. Descriptive statistics for male calls given in alarm contexts (N = 237 calls).

	Context
	Aerial		Snake		Terrestrial
	Mean	SEM	Mean	SEM	Mean	SEM
Number of elements	4.2	0.4	5.1	0.6	3.1	0.2
Element duration	76.5	4.6	61.1	4.6	112.0	2.0
Wiener Entropy	0.37	0.02	0.55	0.01	0.60	0.01
Peak frequency [Hz]	1090	88	1639	118	1904	22
First quartile [Hz]	916	60	1435	82	1753	18
Second quartile [Hz]	1311	54	2282	116	2393	24
PF jump [Hz]	543	94	1503	169	654	35
Frequency range [Hz]	1832	99	4069	264	3794	47
FP1 mean [Hz]	1048	98	1248	92	1776	27
FP1A mean [rel. Amp.]	1278	55	784	79	819	14