Gigantism and acromegaly are two disorders with the same disease mechanism and somewhat similar presentations. Even though they have the same disease mechanism, the two have entirely different outcome simply due to the age of onset. Gigantism is the result if the disease mechanism starts in childhood.
Adult Velociraptors grew up to 6.8 feet (2 meters) long, 1.6 feet (0.5 meter) tall at the hip and weighed up to 33 pounds (15 kilograms).
They are the tallest mammals on earth. The approximate weight of giraffes is approximately 2,000 - 3,000 lbs for males; females weigh less than males. The approximate height is about 16 - 18 feet for males and about 14 - 16 feet for females.