Timing is critical: consequences of asynchronous migration for the performance and destination of a long-distance migrant

Table 4 Influence of timing on migration destination

Response	Leg	Predictor	Estimate (SE)	t value	p value	R² marginal	R² conditional
Latitude of autumn migration destination	1	Intercept	17.04 (1.20)	14.17	−	< 0.01	0.08
		Date	0.00 (0.01)	− 0.27	0.791
		Age (juv.)	− 0.03 (0.22)	− 0.14	0.893
	2	Intercept	17.28 (1.31)	13.14	−	< 0.01	0.08
		Date	0.00 (0.01)	− 0.43	0.668
		Age (juv.)	− 0.03 (0.22)	− 0.15	0.884
	3	Intercept	17.78 (1.34)	13.29	−	< 0.01	0.09
		Date	0.00 (0.01)	− 0.80	0.423
		Age (juv.)	− 0.02 (0.21)	− 0.12	0.908
Longitude of autumn migration destination	1	Intercept	12.57 (9.25)	1.36	−	0.11	0.97
		Date	− 0.09 (0.04)	− 2.10	0.036*
		Age (juv.)	3.25 (2.11)	1.54	0.124
	2	Intercept	25.03 (9.19)	2.73	−	0.18	0.97
		Date	− 0.14 (0.04)	− 3.50	< 0.001***
		Age (juv.)	3.07 (1.99)	1.55	0.122
	3	Intercept	25.36 (9.20)	2.76	−	0.17	0.97
		Date	− 0.13 (0.04)	− 3.53	< 0.001***
		Age (juv.)	3.28 (1.99)	1.65	0.099

Results of LMMs, testing the relationship between the latitude and longitude of the migration destination of white storks, and the date of start each Leg and age of the bird, using bird id and year as random factors

ISSN: 2051-3933