The main predators, or natural enemies, of crows and ravens are hawks and owls. Hawks attack, kill and eat them during the day, and owls come after them at night when they are on their roosts. But crows also attack hawks and owls—though not to eat them.
Similarly, it is asked, why do we say eat crow?
The best-known traditional expression of this type in the US is to eat crow. The origin seems fairly obvious: the meat of the crow, being a carnivore, is presumably rank and extremely distasteful, and the experience is easily equated to the mental anguish of being forced to admit one's fallibility.
What does the idiom everything but the kitchen sink mean?
a much larger number of things than is necessary: We're only going on vacation for a week, but John will insist on taking everything but the kitchen sink. Something, anything, nothing, and everything.
What does it mean to eat a humble pie?
To eat humble pie, in common usage, is to face humiliation and subsequently apologize for a serious mistake. Humble pie, or umble pie, is also a term for a variety of pastries based on medieval meat pies.