Table 2. Comparison of acoustic variables between the four call types identified in the automated cluster analysis.

	LCR	LCRDC	SCR	CB	F(3,161)	p
Duration	1.83±0.12	2.110.14	0.44±0.12	0.27±0.12	347.46	<0.0001
MaxF0	207.2±9.0	220.3±10.8	142.4±9.0	133.9±10.2	137.35	<0.0001
MeanF0	180.6±8.9	196.3±10.5	133.1±8.9	120.0±9.9	87.86	<0.0001
MinF0	121.2±10.1	127.9±11.8	112.6±10.0	91.2±11.3	5.09	0.002
RangeF0	85.6±9.1	93.0±11.0	29.4±9.2	38.3±9.9	94.09	<0.0001

Estimated marginal means ± SE, F and p values for all the measured variables across the four call types. LCR: Long Common Roar, LCRDC: Long common roars with deterministic chaos; SCR: Short Common Roar; CB: Chase Bark.