Assertion: hummingbird | /r/CapableOf | burn up huge amounts of calories
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Source sentences:
text: An article in The Vancouver Sun (May 3, 1991) noted that, ‘To keep up their blistering lifestyle, hummingbirds, of both sexes, burn up huge amounts of calories—the equivalent [for humans] of 1,300 hamburgers a day, washed down with 60 litres of water, used mainly for cooling purposes.