I have Feathers

I am a desert animal. I am tall.

People like to ride on me. 

Who I am?

I live in Africa. I am Yellow and Brown.

I eat leaves. I have a long neck.

Who I am?

I am small and brown. I eat nuts.

I can climb trees. I have a nice tail.

Who am I?

I hiss. I can be poisonous.

I am long. I have a forked tongue.

Who I am?

I don't have legs. I have two wings.

I have beautiful wings. I like to have honey.

Who I am?