Twelve terrestrial snake species are found on the island in addition to marine species.
Mammals found within the park include the Timor rusa deer (Cervus timorensis), the main prey of the Komodo dragon, horses (Equus sp.), water buffalo (Bubalus bubalis), wild boar (Sus scrofa vittatus), crab-eating macaque (Macaca fascicularis), Asian palm civet (Paradoxurus hermaphroditus lehmanni), the endemic Rinca rat (Rattus rintjanus), and fruit bats.