Sambar - Rusa unicolor The Sambar, Rusa unicolor (Cervidae) is a Vulnerable species of deer, native to the Indian Subcontinent, southern China and Southeast Asia. Unique among cervids, reproductively active male R. unicolor, females during late pregnancy and lactation, and even young-of-the-year can have a “sore spot” of 10–15 cm on their throats, ventrally halfway down the neck. This spot is apparently glandular, centered in a whorl of hair, and often, but not always, exuding ...