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Table 1 Summary of migration timing and staging

From: No apparent gain from continuing migration for more than 3000 kilometres: willow warblers breeding in Denmark winter across the entire northern Savannah as revealed by geolocators

Migration event Mean (±SD) Median Min Max
Departure breeding 03 Aug 01 Aug 18 Jul 17 Aug
Arrival winter 10 Oct 09 Oct 18 Sep 13 Nov
Migration Duration 69 ± 14 days 70 days 50 days 92 days
Number of staging sites (of 5 to 12 days duration) 1.7 ± 1.3 1 0 5
Duration of staging before Sahara 13.6 ± 7 days 10 days 7 days 34 days
Duration of staging after Sahara 4.3 ± 6.9 days 0 days 0 days 21 days