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Longitude ranges of arctic terns in Antarctic waters (south of 50N) during different months of their wintering period November to March (based on geolocator data for 12 journeys by eight individuals). Individuals and journeys are indicated on the y‐axes of the monthly graphs (cf. Table 1). Inset map shows the longitudinal range from −60 (= 60W) to 180E and further to 210E (corresponding to 150W) as plotted on the x‐axis
