Coimbatore district is home to the Anaimalai Wildlife Sanctuary and National Park. The park and sanctuary are the core of the Nilgiri Biosphere Reserve and is under consideration by UNESCO as part of the Western Ghats World Heritage site. The park is home to a wide variety of flora and fauna typical of the South Western Ghats. There are over 2000 species plants of which about 400 species are of prime medicinal value. The animals in the park include tiger, leopard, sloth bear, elephant, Indian giant flying squirrel. The birds endemic to the Western Ghats residing here include Nilgiri wood pigeon, Nilgiri pipit, Nilgiri flycatcher, Malabar grey hornbill, spot-billed pelican etc. The Amaravathi reservoir and the Amaravathi river are breeding grounds for the mugger crocodiles.