Arignar anna zoological park also known as the vandalur zoo is a zoological garden located in vandalur a suburb in the southwestern part of chennai it is one of the largest zoos in south asia with a total area of 1300 acres located about 31 km from the chennai city center the arignar anna zoological park houses around 170 species of mammals birds and reptiles and 2 553 species of flora and fauna in addition you can also see rare species such as muscovy duck bengal tiger european brown