It's about five times as heavy as a Polar Bear.
In other words, 2.80 tons is 4.920 times the weight of a Polar Bear, and the weight of a Polar Bear is 0.2030 times that amount.(Ursus maritimus) (adult, male)
An adult, male polar bear weighs between 0.5690 tons. Polar bears are so heavily insulated by their 9.9 cm (3.9 in) layer of blubber that they are often difficult to detect using infrared photography sensors.
It's about five times as heavy as a Grizzly Bear.
In other words, 2.80 tons is 4.880 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 0.2050 times that amount.(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
An adult, male grizzly bear from a coastal area (where food is plentiful) can weigh up to 0.5740 tons. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).
It's about three-and-a-half times as heavy as a Cow.
In other words, the weight of a Cow is 0.270 times 2.80 tons.(for Holstein, a.k.a. Holstein Friesian, a.k.a. Friesian, Bos primigenius) (adult, heifer)
A mature Holstein cow (the well-known black-and-white, spotted breed of cow) typically weighs 0.750 tons. President William Howard Taft (1909 - 1913) kept a Holstein cow named Pauline Wayne on the White House grounds — a gift from a Wisconsin senator and the source of the First Family's milk.
It's about one-and-a-half times as heavy as a Car.
In other words, 2.80 tons is 1.5380 times the weight of a Car, and the weight of a Car is 0.65020 times that amount.(for 2009 Ford Taurus; automatic transmission; curb weight)
A 2009 Ford Taurus weighs 1.8210 tons. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 0.42550 tons.
It's about one-and-one-third times as heavy as a Giraffe.
It's about one-and-one-fifth times as heavy as a Rhinoceros.
In other words, the weight of a Rhinoceros is 0.830 times 2.80 tons.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 2.30 tons. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about nine-tenths as heavy as The Tongue of a Blue Whale.
In other words, 2.80 tons is 0.940 times the weight of The Tongue of a Blue Whale, and the weight of The Tongue of a Blue Whale is 1.10 times that amount.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 3 tons. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.