This 40 square-mile ( 103 sq km ) sanctuary is a favourite of bird watchers. It is the habitat of thousands of birds, including more than 40 species of water fowl. More than 30 species of migratory birds have been identified at this sanctuary, which was established in 1986. A three-hour drive from Yangon, the sanctuary is between Bago and Waw townships in Bago Division. As well as bird watching, there are boats available for hire for sight-seeing trips in this vast wetlands habitat.