It's about 250 times as heavy as an Elephant
In other words, 1,590,000 kilograms is 260 times the weight of an Elephant, and the weight of an Elephant is 0.004 times that amount.(for African bush elephant, Loxodonta africana) (Adult, bull)
A bull African bush elephant weighs about 6,100 kg. 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 4,000 kg
It's about 400 times as heavy as a Hippopotamus
In other words, 1,590,000 kilograms is 420 times the weight of a Hippopotamus, and the weight of a Hippopotamus is 0.002 times that amount.(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 3,000 to 4,500 kg. 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 one-five-hundredth as heavy as The Golden Gate Bridge
In other words, 1,590,000 kilograms is 0.0020 times the weight of The Golden Gate Bridge, and the weight of The Golden Gate Bridge is 505 times that amount.(San Francisco, California and Marin County, California) (Post 1986 weight reduction; total weight of bridge, anchorage, and approaches)
Following the completion of the 1986 project to eliminate excess material, the total weight of the Golden Gate Bridge — including its anchorages and approaches — is 805,000,000 kilograms. The two main cables in the spanning the bridge are spun out of a total of 129,000 km (80,200 mi) of wire.
It's about 600 times as heavy as The Tongue of a Blue Whale
In other words, 1,590,000 kilograms is 590 times the weight of The Tongue of a Blue Whale, and the weight of The Tongue of a Blue Whale is 0.002 times that amount.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 2,700 kilograms. 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 750 times as heavy as a Rhinoceros
In other words, 1,590,000 kilograms is 760 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 0.001 times that amount.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 1,400 and 2,800 kg. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about 800 times as heavy as a Giraffe
In other words, 1,590,000 kilograms is 824 times the weight of a Giraffe, and the weight of a Giraffe is 0.0012 times that amount.(Giraffa camelopardalis reticulata) (adult, male, maximum of range)
An adult, male giraffe can weigh up to 1,930 kg. 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 950 times as heavy as a Car