There can be different explanations for this.
1) Radioactive radiation coming from the ground makes her anxious
2) She's sick/dying
3) Some electronic device near your house is sending out a sound over 20 KHz
4) Paranormal activity
If your dog has been hiding under the couch for several days, it may be that he or she was frightened terribly by something. Or the dog could be very ill. Either way, I would take the dog to a reputable veterinarian or animal hospital immediately. Get the dog out from under that couch and try to administer fluids to him or her and schedule an appointment with your vet as soon as possible.
Because he is scared of Chuck Norris
Maybe he/she doesn't like the way you treat them. They are scared not to be abused or something. It was probably something you did, unless they have a problem. Go and ask a vet for more info.
It is scared
Though shy, acting in plays never scared Maria.
I would imagine she would have been very scared, yes.
They were terrified, scared, angry, upset and annoyed.
i guess they are scared of somthing or someone scared them thank that is what happened to my friend
Its in Ski Lodge left of the sofa the scared penguin is hiding in
They are scared or frightened, be gentle with them and talk slowly and softly to them be patient
If it is hiding in it's cage like in a shelter, It might be having babies...or be scared. If outside the cage, maybe you've done something to it bad or it dreamed that?
They can be scared of the new world they are seeing in their eyes.
"What is the best technique for not getting scared when acting in front of many people?" "How is it that acting stars never get nervous?"