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).
1988). Lion tamarins (Leontopithecus) are the largest of the callitrichids. Golden lion tamarin males and females are similarly sized with the average height of 261 mm (10.3 in) and average weight around 620 g (1.37 lb).