Sable Antelope

Large, horse-like antelope with standing mane, sickle-shaped horns (male and female), and long, pointed ears. Born brown. Turn rusty, then darken with age. Adult males turn black. Females darken a variable amount, some southern natives going black. White face marks and underparts contrast sharply. Male horns average 32 to 41 in., up to 40 to 60 3/4 (46 to 68 in. for giant sable). Female lengths 23 1/2 to 31 1/2 in. up to 39 1/2. Male weight 440 to 500 lbs., rarely more; (giant sable 440 to 595 lbs.); female 400 to 507 lbs.