Prominent species are Linociera malabarica , Salix tetrasperma , Bischofia javanica , Terminaliaarjuna , Vitex altissima , Diospyros peregrina , D. assimilis , Drypetes roxiburghii , Memecylon edule and Mallotus muricatus . There are teak plantations, particularly in Benne Block, and a eucalyptus plantation in the Masinagudi area. Bamboo plantations, for rayon mills in Kerala, have also gained in importance. Tragulus meminna , which is ubiquitous, and wild boar Sus scrofa . Rodents include giant squirrel Ratufa indica maxima and flying squirrel Petaurista petaurista .
Bird life is rich.
Regional endemics include Malabar trogon Harpactes fasciatus and Malabar grey hornbill Tockusgriseus . Predatory birds include crested hawk-eagle Spizaetus cirrhatus and crested serpent eagle Spilornis cheela . Of the reptiles, monitor lizard Varanus bengalensis is the most regularly observed species.