The nominate race of Yellow-billed Pintail, but it occurs only
on South Georgia. A number of plumage differences, it is darker and hardly pale under the belly, added to its
smaller size have long given rise to taxonomic speculation, indeed it was once split when there were three
races (the third is extinct). Whereas spinicauda is dispersive over quite long distances, the only record
away from South Georgia is a vagrant on South Shetland, thus given its isolation it will probably speciate in the
next million years or so.
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HOMEPAGE
