Lesser kudu classified under the genus "Tragelaphus" in family Bovidae. It was first described by the English zoologist Edward Blyth in 1869. The generic name, "Tragelaphus", derives from Greek word "tragos", meaning a male goat, and "elaphos", which means a deer, while the specific name "imberbis" comes from the Latin term meaning unbearded, referring to this kudu's lack of mane. The vernacular name kudu (or koodoo) could have originated either from the Afrikaans "koedoe" or the Khoikhoi "kudu". The term "lesser" denotes the smaller size of this antelope as compared to the greater kudu. In 1912, the genus "Ammelaphus" was established for
Lesser kudu spiral horns are long, and have two to two-and-a-half twists. The base circumference is . The slender horns are dark brown and tipped with white. Male young begin developing horns after 6-8 months, which reach full length after 3 years. The lesser kudu is mainly active at night and during the dawn, and seeks shelter in dense thickets just after the sunrise. It can camouflage so well in such dense vegetation that only its ears and tail can indicate its presence. The midday is spent in rest and rumination in shaded areas. The animal spends about 35% of daytime foraging,