Gorillas are the largest living primates, with significant variation in weight depending on species, sex, and whether they are wild or in captivity.

• Adult male gorillas (silverbacks) typically weigh between 136 and 227 kg (300 to 500 lb) in the wild, with some recorded as heavy as 267 kg (589 lb)

. In captivity, males can weigh even more, up to around 310 kg (683 lb)

• Adult female gorillas weigh less, usually between 68 and 113 kg (150 to 250 lb)

• Different species and subspecies vary in weight:
  • Mountain gorilla males weigh approximately 150 to 220 kg (330 to 484 lb), females about 97 kg (215 lb)

* Eastern lowland (Grauer's) gorillas, the largest subspecies, have males weighing 180 to 230 kg (400 to 500 lb)

* Western lowland gorillas are smaller, with males around 140 to 200 kg (310 to 440 lb) and females 68 to 82 kg (150 to 180 lb)

• Typical silverback gorillas weigh about 195 kg (430 lb) and stand around 1.5 m (5 ft) tall

In summary, a wild adult male gorilla generally weighs between 140 and 230 kg (300 to 500 lb), while females weigh roughly half as much. Captive gorillas can be heavier due to different conditions