Amazon river dolphin widespread river dolphins. They are present in six countries in South America: Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela, in an area covering about . The boundaries are set by waterfalls, such as the Xingu and Tapajós rivers in Brazil, as well as very shallow water. A series of rapids and waterfalls in the Madeira River have isolated one population, recognized as the subspecies "I. g. boliviensis", in the southern part of the Amazon basin in Bolivia. They are also distributed in the basin of the Orinoco River, except the Caroni River and the upper Caura River in Venezuela. The
American Country Countdown American Country Countdown American Country Countdown, also known as ACC or American Country Countdown with Bob Kingsley, is a weekly internationally syndicated radio program which counts down the top 40 country songs of the previous week, from No. 40 to No. 1, according to the "Billboard" Country Airplay charts. The program premiered in 1973 and as of January 2006 is hosted by Kix Brooks. "American Country Countdown" was conceived as a spinoff program from "American Top 40", which had premiered in 1970 and showcased the week's most popular singles. The new program was a creation of Casey Kasem and Don