Table 1. Variable loadings resulting from principal components analysis of geographic and climatic variables for the mist net and acoustic datasets.

Only the first two PCs are shown and were used for further analysis.

		Mist-net dataset		Acoustic dataset
	Description	M.PC1	M.PC2	A.PC1	A.PC2
X	Longitude	−0.40	−0.26	−0.44	0.05
Y	Latitude	0.25	−0.41	−0.01	−0.58
Bio1	Annual mean temperature	0.01	0.65	0.25	0.47
Bio7	Annual temperature range	−0.45	−0.07	−0.37	0.34
Bio10	Mean temperature of the warmest quarter	−0.39	0.34	−0.20	0.54
Bio11	Mean temperature of the coldest quarter	0.33	0.46	0.44	0.07
Bio12	Annual precipitation	0.37	−0.10	0.42	0.16
Bio16	Precipitation of the wettest quarter	0.42	−0.04	0.45	0.07