What determines the shape of the bird’s beak?

We can notice many differences in the beak structure of certain bird species. Toucans have very large beaks. There is a species of rainbow toucan that has a multi-colored beak. Some birds have a sharp and small beak, as they are predators. The woodpecker has a long and strong beak. It is also related to their lifestyle and diet. This list contains omnivorous birds. But most of them prefer plant poultry. The toucan loves berries and various fruits, although it can also eat animal foods.

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