Answer:
Tall when seated, short when standing.
I am known for my beautiful mane and people ride on my back. What am I?
Long slim and slender. Dark as homemade thunder. Keen eyes and peaked nose. Scares the Devil wherever it goes.
In the fields a frightful thing. Watch it and you will find, it has a pitchfork in the front, and a broom back behind.
I am black and white with a fishy diet. I cannot fly but I'm an excellent swimmer. What am I?
A doctor might remove one from the neck of a Dracula victim.