
It's about two times as heavy as The Heart of a Blue Whale.
In other words, the weight of The Heart of a Blue Whale is 0.50 times 404 kilograms.
(Balaenoptera musculus) (adult)(for a 2014 specimen) The heart of a blue whale weighs about 200 kilograms. These hearts pump an estimated 7,100 L (1,875 gal) of blood through the whale's massive body.
It's about twoandahalf times as heavy as a Reindeer.
In other words, 404 kilograms is 2.440 times the weight of a Reindeer, and the weight of a Reindeer is 0.410 times that amount.
(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)An adult, male reindeer weighs between 159 and 182 kg. Reindeer undertake a lengthy annual migration, with some herds traveling up to 5,000 km. To all those observing, Merry Christmas from the Measure of Things.
It's about twoandahalf times as heavy as a Panda Bear.
In other words, the weight of a Panda Bear is 0.370 times 404 kilograms.
(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)An adult, male Giant Panda weighs up to 150 kg. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 6.4 kg of it per day to compensate for the limited energy the plant provides.
It's about onefourth as heavy as a Car.
In other words, 404 kilograms is 0.24460 times the weight of a Car, and the weight of a Car is 4.088 times that amount.
(for 2009 Ford Taurus; automatic transmission; curb weight)A 2009 Ford Taurus weighs 1,652 kg. The first massproduced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 386 kg.
It's about five times as heavy as a Kangaroo.
In other words, 404 kilograms is 4.80 times the weight of a Kangaroo, and the weight of a Kangaroo is 0.210 times that amount.
(for red kangaroo, Macropus rufus) (adult, male)An adult, male red kangaroo weighs up to 85 kg. Fantastic jumpers, red kangaroos can leap horizontally 9 m (30 ft) and vertically 3 m (9 ft) in a single bound.
It's about onefifth as heavy as a Rhinoceros.
In other words, 404 kilograms is 0.190 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 5.30 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 onefifth as heavy as a Giraffe.
In other words, 404 kilograms is 0.160 times the weight of a Giraffe, and the weight of a Giraffe is 6.30 times that amount.
(Giraffa camelopardalis reticulata) (adult, male)An adult, male giraffe weighs an average of 2,500 kg. Reaching 5.5 m (18 ft) in height by adulthood, giraffe calves can grow as much as 3 cm (1 in) per day. 
