Figure 1.

(a) Map showing all tracks with colours indicating annual cycle phases (green = breeding, red = autumn migration, blue = winter, yellow = spring migration). (b) Total annual distance flown by female and male Montagu's harriers from France, The Netherlands and Denmark during 1 year. Number of tracks per sex is given besides boxplots. (c) Pie charts depicting fraction of distance and time per annual cycle phase separated for populations and sexes. For individuals with repeated journeys the average value was used. Colours as in (a).