Table 2. Descriptive statistics for female calls given in alarm and aggressive contexts (N = 504 calls).

	Context
	Aggression between		Aggression within		Aerial		Snake		Terrestrial
	Mean	SEM	Mean	SEM	Mean	SEM	Mean	SEM	Mean	SEM
Number of elements	4.3	0.1	3.4	0.2	2.7	0.1	4.1	0.3	1.4	0.1
Element duration [ms]	38.9	0.7	39.1	1.0	43.9	2.8	38.3	1.3	107.7	2.3
Wiener Entropy	0.68	0.01	0.66	0.01	0.53	0.02	0.72	0.01	0.62	0.01
Peak frequency [Hz]	1715	90	1456	140	986	54	2840	115	2374	31
First quartile [Hz]	1707	48	1559	77	990	47	2634	71	2224	25
Second quartile [Hz]	3402	92	2871	124	1743	100	3867	103	2981	37
PF jump [Hz]	2106	150	1617	174	686	104	1588	215	1085	64
Frequency range [Hz]	7048	171	6126	268	3793	310	7162	198	4092	80
FP1 mean [Hz]	1306	57	1084	101	933	53	1640	157	2207	34
FP1A mean [rel. Amp.]	509	13	527	26	659	38	450	29	1233	29