South America the Darién watershed along the Colombia–Panama border, although some may consider the border instead to be the Panama Canal. Geopolitically and geographically all of Panama – including the segment east of the Panama Canal in the isthmus – is typically included in North America alone and among the countries of Central America. Almost all of mainland South America sits on the South American Plate. South America is home to the world's highest uninterrupted waterfall, Angel Falls in Venezuela; the highest single drop waterfall Kaieteur Falls in Guyana; the largest river (by volume), the Amazon River; the longest mountain range, the
American Falls, Idaho in the American Falls area is excellent. With habitats such as marshes, lakes, ponds and riverine riparian the birder has much to choose from. American Falls is one of Idaho's most interesting birding areas with good birding year around. The Dam and cemetery overviews are good for viewing water birds and the local reservoir is excellent for shorebirds. The American Falls Reservoir has one of the highest concentrations of shorebirds in the state and is best visited in the fall for migratory species. The American Falls Fish Hatchery has a .75 mile nature and birding trail through Russian Olive trees