Heave! They may be small, but they certainly can pull their weight. Beetles are the strongest animal in proportion to their size. A rhinoceros beetle can support up to 850 times its own weight on its back. This feat is comparable to a 150-pound man walking with a Cadillac on his head without tiring. Rhinoceros beetles don’t actually carry heavy loads on their backs in nature, but they do engage in such strenuous tasks as plowing through forest litter for food and locking horns with rivals. Scientists have proposed that the beetles' tough exoskeleton and efficient muscles make them so strong.


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