Table 1. Estimated correlations between abundances of avian species fitted to the multispecies N-mixture model.

	Red-eyed Vireo	Hwa	Pw	Hwr	Gc	Rwb	Ac
Hooded Warbler (Hwa)	0.74
	(0.006)
Prairie Warbler (Pw)	0.55	0.68
	(0.012)	(0.010)
House Wren (Hwr)	0.61	0.76	0.61
	(0.008)	(0.005)	(0.007)
Gray Catbird (Gc)	0.03	0.07	-0.05	0.08
	(0.019)	(0.021)	(0.020)	(0.019)
Red-winged Blackbird (Rwb)	-0.68	-0.77	-0.71	-0.69	0.07
	(0.008)	(0.006)	(0.009)	(0.006)	(0.020)
American Crow (Ac)	-0.58	-0.63	-0.50	-0.54	-0.03	0.63
	(0.009)	(0.010)	(0.014)	(0.010)	(0.018)	(0.009)
European Starling	-0.17	-0.19	-0.41	-0.23	0.17	0.36	0.17
	(0.016)	(0.017)	(0.015)	(0.014)	(0.015)	(0.013)	(0.015)

Bold font indicates correlations that differed significantly from zero (using 5% significance level). Monte Carlo standard errors are given in parentheses.