Greater kudu average length of , with the record being . They diverge slightly as they slant back from the head. The horns do not begin to grow until the bull is between the age of 6–12 months, twisting once at around 2 years of age, and not reaching the full two and a half twists until they are 6 years old; occasionally they may even have 3 full turns. This is one of the largest species of antelope. Bulls weigh , with a maximum of , and stand up to tall at the shoulder. The ears of the greater kudu are
Lesser kudu to find fallen fruits (such as "Melia volkensii" and "Acacia tortilis"), while small fruits (such as "Commiphora" species) are directly plucked from trees. The size and structure of its stomach also suggests its primary dependence on browse. The lesser kudu browses primarily at dusk or at dawn, and is associated with the gerenuk and the impala. The lesser kudu and the gerenuk might compete for evergreen species in the dry season. However, unlike the gerenuk, the lesser kudu rarely prefers "Acacia" species and does not stand on its hindlegs while feeding. The lesser kudu does not have a great requirement