This comprehensive chapter covers various aspects of the biology and natural history of the Reeves’ Muntjac (Muntiacus reevesi), including names, taxonomy, subspecies and distribution, descriptive notes, habitat, movements and home range, activity patterns, feeding ecology, reproduction and growth, behaviour, parasites, infections and diseases and status in the wild and in captivity. The chapter includes a distribution map, at least one or more photos of the species and a list of key literature.