The three largest mammals of Sabah, namely Borneo Pygmy Elephant, Sumatran Rhinoceros and Tembadau are all found within the reserve; nine species of primate are present, as well as three species of cats all of which are on the protected wildlife list. Of bird species, 42 families representing 220 species have been recorded. Covered in euryspecies lowland rainforest, Tabin nurtures a colossal number of tropical plants; some of which are rich in medicinal and therapeutic values.
Since the availability of accommodation provided by Tabin Wildlife Resort in 2004, Tabin has gained popularity to be one of the best places in Sabah to observe the rich bio-diversity of nature and to part-take in nature-based activities. One of the highlights of Tabin being the active and mineral-rich mud volcanoes, attracting frequent visits by wildlife for their mineral intake and present an ideal platform for wildlife observation and bird-watching. Amongst the popular activities in Tabin are jungle trekking, night safari, night walk, wildlife spotting, birdwatching, and rainforest education.