It's about one-and-one-tenth times as heavy as a Pig.
In other words, the weight of a Pig is 0.91 times 601.26 pounds.(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
It's about one-and-one-fifth times as heavy as a cubic meter of Snow.
In other words, the weight of a cubic meter of Snow is 0.83 times 601.26 pounds.(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)
One cubic meter of freshly fallen snow under standard conditions weighs an average of 510 pounds. Assembled in 2008, the world record largest snowman was constructed of 13,000,000 pounds of snow and stood 37.21 m (122.1 ft) tall.
It's about two-thirds as heavy as a Horse.
In other words, the weight of a Horse is 1.5 times 601.26 pounds.(Equus ferus caballus) (Arabian, adult)
It's about three-fifths as heavy as a Grand Piano.
In other words, 601.26 pounds is 0.61 times the weight of a Grand Piano, and the weight of a Grand Piano is 1.6 times that amount.(for Steinway & Sons, Model D Concert Grand Piano)
It's about one-and-two-thirds times as heavy as a Reindeer.
In other words, the weight of a Reindeer is 0.606 times 601.26 pounds.(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)
It's about one-and-four-fifths times as heavy as a Panda Bear.
In other words, the weight of a Panda Bear is 0.56 times 601.26 pounds.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
It's about half as heavy as a Polar Bear.
In other words, 601.26 pounds is 0.529 times the weight of a Polar Bear, and the weight of a Polar Bear is 1.89 times that amount.(Ursus maritimus) (adult, male)
An adult, male polar bear weighs between 1,140 pounds. 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.