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
South China (continent) South China (continent) South China, also known as South China Craton, South Chinese Craton, or Yangtze Craton, was an ancient continent (craton) that contained today's South and Southeast China, Indochina, and parts of Southeast Asia (i.e. Borneo and adjacent islands). South China had been part of past supercontinents, including Rodinia, Pannotia, Gondwana, Pangaea and Laurasia. About one billion years ago, during the late Proterozoic, the Rodinia supercontinent formed. South China was part of Rodinia. South China was bordered by the Mirovia Ocean to the north, Siberia to the east, Australia to the west, and Laurentia to the south. 750 million