The term "Sinharaja" illustrated the history of the woodland where the term "Sinha" means Lion and "Raja" mean King where as in the olden times natives assumed that the forest is lined by the princess and a Lion (king) emperor. Unlike the other National park, the Sinharaja has impenetrable flora and so, it's rigid to identify any wildlife. The Forest is extremely large and absolute vegetation where as 26 endemic birds of Sri Lanka can be found, indefinable 20 different rainforest species crops up, massive reptiles, amphibians, mammals, fishes, butterflies and others wild animals like Leopards, Badger Mongoose, Green Pit Viper and Hump-nosed Viper, Golden Palm Civet, the Purple - faced Leaf Monkey, elephants and birds where in fact 72% were inhabitant non-endemic and 13% travelers where as the huge quantity broad-spectrum individual are the "Sinharaja" "Green Garden Lizard".