Answer:
What force and strength cannot get through I with my unique teeth can do.
I lose my head in the morning and regain back it at night.
Squeeze me and I cry tears as red as my flesh but my heart is made of stone.
My tail is long, my coat is brown. I like the country, I like the town. I can live in a house or live in a shed, and I come out to play when you are in bed. What am I?
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
I break away from my pack. I create holes in my victims. I can travel for miles and then disappear. I am part of a dying breed. What am I?