Answer:
I move very slowly and carry my house on my back. What am I?
Tall when seated, short when standing.
I have a long thin beak that I use to suck nectar from flowers and my wings beat very fast. What am I?
I am a mammal that lives in the sea. I have flippers and am known for my intelligence. What am I?
I am the only animal to have the same Latin and common name.
I hold two meanings. With one I may be broken, with the other I hold on. What am I?