Answer:
When it was young, it had a tail. When it grew up, it had knees
Creeping on its belly, curled into a ring. Eyes forever open, beware its lethal sting
A blackbird similar to, but much bigger than a crow
Looks like a hippo crossed with a unicorn.
A white horned symbol of purity and grace.
When someone uses this acronym, you know you've got to pick up the pace
Animal
Difficult
Easy
Food
Funny
Kids
Logic
What am I?