A calcium compound, the same thing in our fingernails.
Beaks of all birds are used as tools to eat, build, and preen feathers. Beaks are made of keratin; as are their feathers and toenails.
the beaks adapted to what they ate. all the different beaks have different jobs
Some have short and conical beaks
beaks that get nectar are long and thin (not very strong) and bird beaks that breaks nuts are short, sharp, and strong.
This may be because they are bored and are trying to make some fun.
Beaks of all birds are used as tools to eat, build, and preen feathers. Beaks are made of keratin; as are their feathers and toenails.
What any other bird might be made out of: Organs, beaks, feathers, etc.
there are hard bird beaks and soft donkey beaks specify which type you want they have razor sharp beaks.
Yes, to my knowledge all birds have beaks yes they do. if they did not have beaks then how would they
yes they do have beaks
Even though they have long mouths that look like "beaks", they are not considered "beaks".
With evolution the beaks transformed into long beaks for eating bugs and short beaks for eating seeds
With evolution the beaks transformed into long beaks for eating bugs and short beaks for eating seeds
Actually, they have yellowish beaks.
Yes. All birds have beaks.
yes they use its beaks.
They have black beaks.