Table 2.

Effects of colony size, trial, sex, day into the breeding cycle, and Julian date on latency to return to the nest after the simulated predator intrusion

Explanatory variables	Estimate (mean ± SE)	t value	P value
Intercept	1.700 ± 1.691	1.005	0.317
Colony size	− 0.017 ± 0.007	− 2.533	0.013
Trial	− 0.002 ± 0.165	− 0.009	0.993
Sex	− 0.024 ± 0.169	− 0.1401	0.889
Day into breeding cycle	− 0.010 ± 0.018	− 0.525	0.600
Julian date	2.28 × 10–4 ± 0.007	0.031	0.975

Significant results are indicated in bold