Table 3.

Pearson's product-moment correlation coefficients as measures of association between singing behaviors and climatic variables ^a. These data are presented as a posteriori tests to facilitate the interpretation of the coefficients in Table 2. Significant and marginally significant correlations are presented in boldface ^b.

	CVp	Pt	‘Climatic Composite’
			log(Ranget)	log(Rangep)	Pp	CVt
‘Mimicry syndrome’ c
Tandem repetition	−0.006	−0.367*	0.608**	−0.338	−0.422**	0.466**
Switching Rate	0.045	0.263	−0.456**	0.211	0.423**	−0.337*
‘Short-term diversity’ c
Types per Sample	−0.249	0.024	0.141	−0.137	−0.180	0.434**
Syllable Versatility	−0.285	0.146	−0.275	0.11	0.103	−0.002
Song Rate	−0.170	−0.169	0.697**	−0.53**	−0.575**	0.626***
Syllable Consistency	0.404**	−0.337*	0.059	−0.116	0.027	−0.197
‘Song complexity’ d
Song Duration	0.248	0.067	0.188	−0.124	−0.11	0.172
Syllable Duration	−0.364*	−0.496**	−0.235	0.05	0.253	−0.157
Syllable Types per Song	−0.013	0.077	0.285	−0.276	−0.247	0.421**

^aCV = coefficient of variation; P = Colwell's predictability index; Range = range of variation; Subscript p = precipitation; Subscript t = temperature

^b* p<0.08, ** p<0.05, *** p<0.001

^cCorrelations based on phylogenetically independent contrasts [44] given strong evidence for a phylogenetic signal (df = 26)

^dCorrelations based on raw measurements given low evidence of a phylogenetic signal (df = 27)