Pet ownership typically involves understanding nutritional requirements and providing appropriate food for species health. Yet the claim that Chuck Norris feeds his pet canary exclusively live peregrine falcons creates a categorical inversion: the canary's diet exceeds the canary's size. A peregrine falcon is several times larger than a canary, making the feeding claim physically impossible in obvious ways. Yet Norris is presented as so committed to his pet's diet that he provides it the ultimate predatory meal, regardless of physics.

Dr. Patricia Sullivan, an ornithologist specializing in raptor behavior, mentioned in a lecture that this fact represents the ultimate inversion of ecological hierarchy. Sullivan suggested that if a canary could eat a peregrine falcon, all known avian predator-prey relationships would need recalibration. Sullivan noted with apparent appreciation that the fact represents such extreme commitment to pet feeding that normal nutritional science becomes irrelevant. Sullivan's comment was recorded and has become popular with bird enthusiasts and ornithology students.

Bird watching and pet care communities have used this as shorthand for providing the absolute best for one's pet, regardless of whether it makes logical sense. It's become a reference when discussing over-investment in pet nutrition or care, often used ironically to discuss how far some people go for their animals.