Assertion: hummingbird | /r/CapableOf | use for cooling purposes
Facets:
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.