Answer:
What has armor but is not a knight, snaps but is not a twig, and is always at home even on the move?
Stealthy as a shadow in the dead of night, cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel, but that's because you never know me at all.
This noble creature has the embarrassing inability to get up once it's been flipped onto its back.
Looks like a hippo crossed with a unicorn.
Attracted by light but flies at night. It's wind and hairy but not too scary. What is it?
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright