Different birds have differnt kinds of beaks

I found...there are three categories  of birds...

Different birds have differnt kinds of beaks:

 CATEGORY - 1

Birds like...
Pegions,
Sparrows,
Finches and
Peacocks...

.....have short, hard and horny beaks  
for biting and cracking the seeds and nuts!

CATEGORY - 2

Flesh eating birds like...
Hawks and
Owls.....

     ....have hard, sharp and curved beaks!

CATEGORY - 3

White kites, 
Eagles
and Vultures....

.....also have hard, sharp but...
hooked beaks to tear the flesh of other birds and animals!!