Table 1.

Fixed-effect estimates for wind drift compensation. Fixed effects, as estimated using a linear mixed-effects model, as used in our analysis of wind drift compensation in fledgling frigatebirds. Because the overall correlation between the deflection angle and wind speed is negative (i.e. winds anti-clockwise of the beeline displace a bird clockwise and vice versa), a positive effect indicates a reduction in wind drift.

effect	estimate	s.e.	t-value
(intercept)	−10.84	6.50	−1.67
cross-beeline wind	−10.51	2.21	−4.75
experience	0.17	0.06	2.59
can see land = TRUE	13.53	6.01	2.25
along-beeline wind	−0.08	0.15	−0.56
cross-beeline wind × experience	0.06	0.02	2.73
cross-beeline wind × can see land = TRUE	5.72	2.23	2.57
experience × can see land = TRUE	−0.14	0.06	−2.36
cross-beeline wind × can see land = TRUE × experience	−0.04	0.02	−2.04