Census in 2002 indicated elephants Population of 156. In addition to grizzled giant squirrels, other animals seen here are flying squirrels, tree shrews, lion-tailed macaques, the Nilgiri tahrs, mouse deer, barking deer, wild cats, palm civets, king cobras and many varieties of birds including the great Indian hornbill. The lowest altitudes have a mixture of quartz and quartzite. The underlying rock throughout the area is granitoid gneiss formation. Water sources in the sanctuary are the Kallar and Mullaperiyar Dams and the Periyar, Naragaiar, Pachaiar, Mangar, Kovilar and Pairakudraiar rivers. Average annual rainfall 849.1 mm varies between 700 mm - 3000 mm in different areas of the sanctuary. The sanctuary ranges from 200 M in the plains and rises to a the highest Peak, Kottaimalai, at 2019 m.

It is the eastern boundary for the Periyar river watershed. The sanctuary is Bounded to the north by the Andipatti hills, south by Tirunelveli District, east by Srivilliputhur and Rajapalayam towns and west by Theni town and Theni District. The sanctuary covers 486 km² in western Tamil Nadu, South India in the eastern water-shed of the Western Ghats and consists of high hills and valleys. It is one of the best preserved forests south of the Palghat Gap.

Governing_body = The Grizzled Squirrel Wildlife Sanctuary was declared to protect the Vulnerable Grizzled Giant Squirrel (Ratufa macroura). Location = Virudhunagar and Madurai districts Wildlife Sanctuary Location map|Tamil Nadu Infobox_protected_area | name =Grizzled Giant Squirrel

Lion in hindi wikipedia