Manu National Park ( Parque Nacional Del Manu) is a national park and biosphere reserve located in the regions of Madre de Dios and Cusco in Peru. It protects a diverse number of ecosystems including lowland rainforests, cloud forests and Andean grasslands. Manu National Park was established by decree on 29 May 1973; during the dictatorship of General Juan Velasco. In 1977, UNESCO recognised it as a Biosphere Reserve and in 1987, as a World Heritage Site. In 2002, the Peruvian government increased the extension of the park to its current area. Vegetation types inside the park include puna grassland, high Andean forests, cloud forests and lowland Amazon rainforest. About 160 species of mammals have been reported in the park including the jaguar, the tayra, the giant armadillo, and many, many more exotic species. The author, Walter H. Wust, has over 600 publications to his name, including books, guides, and encyclopedias, Walter Wust is regarded as Peru's most prolific editor in ecological matters. His contributions extend beyond publishing; Walter Wust currently directs Wust Ediciones and serves as the Director of Science at Bosques Amazónicos BAM.