Answer:
What bird is always unhappy?
I grunt and have a curly tail. People say I'm dirty but I'm actually very clean. What am I?
A spent round or a slimy critter.
I climb trees but Iām not a cat I hibernate but Iām not a bear I eat nuts but Iām not a bird Iām a type of rodent but Iām not a rat I have a bushy tail but Iām not a fox
When I'm metal or wood, I help you get home. When I'm flesh and I'm blood. In the darkness I roam.
Give it food and it will live, give it water and it will die.