What are some terms you can use to describe the size and shape of a bird's beak ?

Size can be defined by words such as - long , short

Shape can be defined by words such as - curved, hooked, slender, sharp etc.

Explanation:

The shape and size of beak depends on the purpose of is usage.

Hence,  the following terms can be used to describe the size and shape of a bird's beak -

1.Birds which prey their food have hooked beaks  which are strong and deep to make a firm catch on their food

2.Birds which feed on fruits have  sharp beaks

3.Birds which feed on fish have long, sharp and slender beak

4.Birds feeding on seeds have short and curved beaks