Table 2.

The six combinations of variables most associated with bird species richness, ranked by the correlations between observed and predicted species richness, from the Random Forest models (Cor_RF). Each column is a different variable (NRI, phylogenetic relatedness of bird assemblages; Change_MAT, contemporary‐Last Glacial Maximum change in temperature; SR_plant, species richness of plant; MAP, mean annual precipitation; ALT_range, altitudinal range; MAT, mean annual temperature; Change_MAP, contemporary‐Last Glacial Maximum change in precipitation). White cell indicates that the variable was not included in the particular combination (each row). AIC weights (AIC_w) and adjusted r ² from simultaneous autoregressive (SAR) models of each combination of variables were also listed

NRI	ChangeMAT	SRplant	ALTrange	MAP	MAT	ChangeMAP	CorRF	AICw_SAR	r 2 SAR
							0.620	0.100	.544
							0.614	0.049	.547
							0.610	0.074	.551
							0.605	0.049	.557
							0.604	0.045	.546
							0.604	0.020	.548