It has 500 species of resident and migratory birds , 20 species of mammals , over 525 species of butterflies and over 11,000 species of moths , beetles , bugs and other insects .
Sattal is unique for its biodiversity and ecological amplitude .
Sattal has 500 species of resident and migratory birds , 20 species of mammals , over 525 species of butterflies and over 11,000 species of moths , beetles , bugs and other insects .
Sattal is unique for its biodiversity and ecological amplitude .