It's about one-and-one-tenth times as heavy as a Hippopotamus.
In other words, 667.330 stones is 1.130 times the weight of a Hippopotamus, and the weight of a Hippopotamus is 0.8850 times that amount.(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 591 stones. Appearances to the contrary, adult hippos cannot swim or float in water; they actually move by leaping and walking across lake bottoms at about 8 kph (5 mph).
It's about seven-tenths as heavy as an Elephant.
In other words, the weight of an Elephant is 1.40 times 667.330 stones.(for African bush elephant, Loxodonta africana) (Adult, bull)
A bull African bush elephant weighs about 960 stones. Among African elephants, both males and females have tusks (whereas female Asian elephants, Elephas maximus, do not have tusks) which can grow to 3 m (10 ft) and typically weigh about 630 stones
It's about two-thirds as heavy as a Tyrannosaurus rex.
In other words, the weight of a Tyrannosaurus rex is 1.50 times 667.330 stones.(for FMNH PR2081, a.k.a. "Sue") (a.k.a. Tyrannosaurus, a.k.a. T-Rex) (estimated live weight)
The notable Tyrannosaurus specimen housed at the Field Museum of Natural History in Chicago, Illinois, "Sue," is estimated to have weighed about 1,000 stones while alive. A renowned predator in popular culture, the teeth of tyrannosaurus rex were up to 33.02 cm (13 in) long.
It's about one-and-three-fifths times as heavy as The Tongue of a Blue Whale.
In other words, the weight of The Tongue of a Blue Whale is 0.630 times 667.330 stones.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 430 stones. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.
It's about two times as heavy as a Rhinoceros.
In other words, the weight of a Rhinoceros is 0.50 times 667.330 stones.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 330 stones. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about two times as heavy as a Giraffe.
In other words, 667.330 stones is 2.20 times the weight of a Giraffe, and the weight of a Giraffe is 0.4550 times that amount.(Giraffa camelopardalis reticulata) (adult, male, maximum of range)
An adult, male giraffe can weigh up to 304 stones. Reaching 5.5 m (18 ft) in height by adulthood, giraffe calves can grow as much as 3 cm (1 in) per day.
It's about two-and-a-half times as heavy as a Car.
In other words, 667.330 stones is 2.5650 times the weight of a Car, and the weight of a Car is 0.38990 times that amount.(for 2009 Ford Taurus; automatic transmission; curb weight)
A 2009 Ford Taurus weighs 260.10 stones. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 60.780 stones.