Table 2.

Results of a generalized linear mixed model assessing the effects of time of day, the amount of time parent birds spent away from the nest per hour, and the number of bird visits to the nest per hour on the rate of P. downsi visitation (also per hour) during the nestling phase, with nest identity and the number of observations per nest as random effects

	Estimate	Std. Error	Z	P
(Intercept)	-3.64255	0.70271	-5.184	2.18e-07 ***
Time of day	0.20631	0.02812	7.336	2.21e-13 ***
Time bird away from nest	-0.05739	0.03070	-1.869	0.0616
Number of bird visits to nest	0.06334	0.03296	1.921	0.0547

The analysis included data from all three nests