Five times as strong as a human Grizzly bears grow to 500kg and over, and prey on large mammals such as moose, elk and even black bears.
09 Green Anaconda :Eunectes Murinus
Constricts at 90psi though figures are debated, the green anaconda is believed to be the world’s largest snake, and has the most powerful squeeze at a reported 90psi.
08 Ox :Bos Primigenius
Pulls 150% of own weight the phrase ‘strong as an ox’ is well coined: for millennia oxen have been used for hauling heavy loads and ploughing heavy soil.
07 Asian Elephant :Elephas Maximus
Pulls 170% of own weight But Asian elephants used in the timber industry have hauled logs weighing up to 9 tonnes – nearly twice as heavy as a large male tusker.
06 Tiger Panthera :Tigris
Lifts double own weight Prey varies across the ranges of the subspecies, but the largest tigers have been known to hunt and carry water buffalo and even young elephants
05 Crowned Hawk-Eagle :Stephanoaetus Coronatus
Lifts four times own weight one of Africa’s most powerful raptors, the crowned hawk-eagle preys on mammals such as monkeys and bushbucks that weigh up to 30kg
04 Eastern Gorilla :Gorilla Beringei
Lifts 10 times own weight B ig male gorillas – silverbacks – are immensely strong. By comparison, the strongest human weightlifters can lift two or three times their own weight.
03 Leaf-cutter ants :Atta Cephalotes
Lifts 50 times its own weight the various species of leafcutter ant carry relatively enormous chunks of leaves back to their nest to fertilise the fungi on which they feed.
02 Hercules Beetle :Dynastes Hercules
Lifts 850 times own weight the hefty insects known as rhinoceros beetles carry huge loads anecdotal evidence suggests this species can lug 850 times its own weight.
01 Dung Beetle :Onthophagus Taurus
Hauls 1141 times own weight in 2010, researchers rob Knell and Leigh Simmons demonstrated that the strongest males can pull a load 1,141 times its own weight.
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