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.
Cute hares that hop and deliver eggs at Easter are called by this nickname
I'm a farm bird known for waking people up early in the morning. What am I?
I can 'fly' underwater and have eight arms. What am I?
I am a predator with a strong jaw. I live in water and have lots of sharp teeth. What am I?
What is so fragile that saying its name breaks it?