Table 1 P-values and standardized estimates of the statistical models.

Species	Parameter	Rank	P-value	Estimate (ms)	Standardized estimate	BIC
Leptonycteris yerbabuenae	Peak-energy frequency (kHz)	2	<0.0001	−3.5	−0.32	6111
	Intensity (dB)	3	0.1	−1.2	−0.13
	Speed (m٠s⁻¹)	4	0.2	−1.1	−0.06
	Altitude (m)	1	<0.0001	0.3	0.37
Myotis myotis	Peak-energy frequency	1	<0.0001	−6.0	−0.46	132,194
	Intensity	3	<0.0001	−0.7	−0.05
	Speed	4	<0.0001	1.7	0.04
	Altitude	2	<0.0001	0.9	0.23
	Intensity·speed		<0.0001	0.4
Myotis vivesi	Peak-energy frequency	3	<0.0001	−4.9	−0.11	123,448
	Intensity	2	<0.0001	−1.9	−0.21
	Speed	1	<0.0001	12.6	0.27
	Altitude	4	<0.0001	−0.4	−0.04
Rhinopoma microphyllum	Peak-energy frequency	1	<0.0001	−115.4	−0.67	109,180
	Intensity	2	<0.0001	−4	−0.14
	Speed	3	0.004	1.7	0.03
	Altitude	4	0.6	0.015	0.01
	Intensity·speed		<0.0001	−0.5
All species	Species		0.0018			381,942
	Peak-energy frequency	1	<0.0001	−7.2	−0.3
	Intensity	2	<0.0001	−2.3	−0.2
	Speed	3	<0.0001	5.4	0.15
	Altitude	4	<0.0001	0.2	0.1

The standardized estimates were calculated by multiplying the estimate of each parameter with its standard deviation and dividing by the IPIs standard deviation. For each species the most compatible model was selected according to the model’s BIC (either with or without an interaction between intensity and speed). The importance of the parameters is ranked from 1–4 (1 being the most important). Significant p-values are marked in bold.

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