Cape mountain zebra
The Cape mountain zebra differs slightly from the Hartmann's subspecies, being stockier and having longer ears and a larger dewlap. Adults have a shoulder height of 116 to 128  cm, making them the most lightly built subspecies of zebra. There is slight sexual dimorphism with mares having a mass of around 234  kg and stallions weighing around 250–260  kg.
King cobra
The king cobra typically weighs about . The longest known specimen was a captive one at the London Zoo, and grew to around before being euthanised upon the outbreak of World War II. The heaviest wild specimen was caught at Royal Island Club in Singapore in 1951, which weighed and measured , though an even heavier captive specimen was kept at New York Zoological Park and was measured as at long in 1972.
Some viper species, such as the eastern diamondback rattlesnake and the Gaboon viper, often much shorter in length but bulkier in build, rival the king cobra in average weight.