Assertion: toucan's bird | /r/CapableOf | release heat
Facets:
Source sentences:
text: Arteries within the bill expand when the bird gets too hot to release heat, one of the best built-in biological AC units of the animal kingdom.
text: We found that basically the toucan's bill acts like a thermal window or thermal radiator that allows the bird to conserve or release heat, just like an elephant's ear.