Basic shapes
The types of beak trimming are still various. For example, their shape does not depend solely on the type of food consumed, but also the environment where the feed and how to acquire this food. The basic shapes of the mouth is a simple and conical. They have between them and other thrushes krukowate. Species that serve to bury in the ground for example, fruit picking or crushing of hard shell nuts. With the overall appearance mouth, you can specify the type of diet food. You may have noticed it even in ziarnojadów. The described part of their czaski is short, broad and wedge-shaped. Of these, the most specific bill is grosbeak. It is now generally strong and powerful in addition to strengthening the muscles.