Chilean pintail Chilean pintail The Chilean pintail ("Anas georgica spinicauda"), also known as the golden peck duck or brown pintail, is a subspecies of the yellow-billed pintail ("Anas georgica"), a duck in the dabbling duck subfamily Anatinae. Its local names are "pato jergón grande", "pato maicero" and "pato piquidorado" in Spanish, and "marreca-parda" or "marreca-danada" in Portuguese. The Chilean pintail is one of three subspecies of the yellow-billed pintail, and by far the most numerous and widespread. It is found throughout much of South America from extreme southern Colombia southwards to Tierra del Fuego, as well as in the Falkland Islands. The
Ritchie's Archipelago Island is further to the east. The islands of Ritchie's Archipelago run in a closely spaced arc which extends about from the southern-most Rose Island. to North Button I., with Diligent Strait between them and Great Andaman ranging from to less than . Most of the islands are clustered closely together separated by only narrow, almost river-like channels. The exceptions are Rose Island and Neill Island to the south of Havelock Island, and the three small Button islands which are smaller outliers to the north of the group. The interior of most of the islands consists of undulating hills and