How to tell what birds eat by their beaks?

Simply put, the eagle's beak is basically carnivorous, preying on other small animals.

People whose mouths are as flat as ducks and as long as cranes eat fish.

Those with short mouths, such as chickens and sparrows, are omnivores, eating grains, grass seeds and insects.

Like parrots and hornbills, they look a little clumsy, but they have strong curved mouths and eat some hard fruits. . This is basically the way to distinguish.