Adult male African elephants can weigh up to 12,000 pounds (5,400 kg) and the Asian elephant is slightly smaller than its African counterpart, with males weighing around 8,800 pounds (4,000 kg).
Adult male white rhinos can weigh between 4,000 and 6,000 pounds (1,800 - 2,700 kg).
Adult male hippos can weigh up to 4,500 pounds (2,000 kg).
Male giraffes can weigh up to 3,000 pounds (1,360 kg).
These large wild cattle can weigh up to 2,200 pounds (1,000 kg).
Large males can weigh around 2,000 pounds (900 kg).
Adult male polar bears can weigh up to 1,500 pounds (680 kg).