Thale Noi is the largest waterfowl reserve in Thailand . The reserve is under the responsibility of the Royal Forestry Department and covers 450 square kilometers , divided into 422 square kilometers of land ( 94%) and 28 square kilometers of water ( 6%) or Thale Noi. the lake is 5 kilometers wide and 6 kilometers long with an average depth of 1.2 meters. The lake is covered with assorted flora such as lotus , bulrush , reed and grass used for thatching. More than 187 species of waterfowls, migratory and indigenous birds make their home at Thale Noi.
