Answer:
It can be white or blue or black, Humped or have a horn. And when it talks it sings its menuets, as it's travelling the depths.
What animal keeps the best time?
What do tigers have that no other animal can have?
What is common to eat before it's born and after it's dead?
The homes of tiny creatures that collect in corners if you aren't vigilant about dusting.
What is so fragile that saying its name breaks it?