Sometimes treated as conspecific with G. gallinago (with G. delicata) and G. nigripennis; treated as conspecific with G. andina in HBW, but strong trend since at least mid-1980s against this view. Race magellanica may be close to separate species status; study of vocalizations needed in Falkland population. Two subspecies recognized.
Food and feeding
Status and conservation
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