Answer:
My first is twice in apple but not once in tart. My second is in liver but not in heart. My third is in giant and also in ghost. Whole I'm best when I am toast.
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.
I have a tail. I can fly. I'm covered in colorful feathers. I can whistle and I can talk
What build its house with earthen string and ensnares its prey with a biting sting?
What kind of dog chases anything red?
What is it that makes tears without sorrow. And takes its journey to heaven?