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 browser, the lesser kudu feeds on foliage from bushes and trees (shoots, twigs) and herbs. Despite seasonal and local variations, foliage from trees and shrubs constitute 60–80% of the diet throughout the year. The lesser kudu is mainly active at night and during the dawn, and seeks shelter in dense thickets just after the sunrise. The lesser kudu exhibits no territorial behaviour, and fights are rare. While females are gregarious, adult males prefer being solitary. No fixed breeding season is seen; births may occur at any time of the year. The lesser kudu inhabits dry, flat, and heavily forested regions.