Answer:
What jumps when it walks and sits when it stands?
What lives where it cannot breathe and has a hole in its back
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.
The alphabet goes from A to Z. What goes from Z to A?
In the fields a frightful thing. Watch it and you will find, it has a pitchfork in the front, and a broom back behind.
My days are numbered. What am I?