Fig. 1

Movements of adult A–C and juvenile D–F Barrow’s goldeneye tracked with satellite transmitters deployed at Riske Creek, British Columbia. Panels A and C link the centre of individual breeding ranges (in yellow) or natal locations (in pink) with the centre of their wintering range (in blue). Adults do not move directly from their breeding to wintering range, but movement to the moulting grounds and from moulting grounds to wintering ranges are omitted. Panels B and E link the centre of individual wintering ranges (in blue) to potential breeding ranges (in yellow). Panels C and F link potential individual breeding ranges in the year after tags are deployed (in yellow) and centre of their moulting locations (in red). Females are represented with circles, males with stars. The number of points decreases from panels A-C and D-F as satellite transmitters fail or birds die