Answer:
What is green, has four legs, no tail, and usually heard at night?
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.
The fans of the pied piper's smooth sound who are feared by elephants
Looks like a hippo crossed with a unicorn.
What can provide food before it is alive, while it is alive and after it's dead?
What begins and has no end? What is the ending of all that begins?
Animal
Difficult
Easy
Food
Funny
Kids
Logic
What am I?