chamois [Rupicapra rupicapra]* 3-4 feet long, 2.5-3 feet tall at the shoulder. Chamois males weigh 65-110 pounds. Females weigh 55-95 pounds. Sexual maturity: 4 years. Mating: October to December. Gestation: 5.5-6 months. # of young: 1, rarely 2. Females and young live in herds. Males are solitary except during mating season. Call: Deep, rumbling bleat. Diet: Grasses, bark, pine needles. Lifespan: Up to 17 years in captivity.