This park is situated 40kms from Mannarkad in the northeastern corner of Palakkad district. The Silent Valley National Park is perhaps the closest to a virgin forest in the entire western ghats.It is home to India’s last substantial stretch of tropical evergreen rain forest and a large number of wild animals thanks to its difficult terrain and remoteness. The valley has a fair representation of all peninsular mammals such as lion-tailed macaque,Nilgiri langur,bonnet macaque,tiger,leopard,leopard cat, fishing cat, common palm civet, ruddy mangoose,stripe necked mongoose, wild dog, sloth bear,otter,flying squirrel, Malabar giant squirrel, Indian pangolin,porcupine,wild boar,sambar,spotted dear, barking deer, mouse deer, gaur and elephant.
Wild Life in Silent Valley National Park:
And over 170 species of avifauna have been recorded of which 31 are migrants. Rare species such as Indian black-crested baza, Bonelis’hawk eagle, rufous bellied hawk eagle, shaheen falcon, short eared owl, peninsular scops owl, Ceylon frog moth, great Indian hornbill, Nilgiri laughing thrush, house martin, rufous bellied shortwing.Malay bittern etc are also found here.
Also found are more than 100 species of butterflies and 400 species of moths. Quite a few of them are extremely rare and endemic.