first of all they dont have tails and if you meen by its back that meens its getting old.
B/c if you have 2 guinea pigs then one could be nibbling on the other and ripping its hairs out. Also, your guinea pig could have mites or fleas.
when your guinea pig has a sign of thinning fur or bald patches or a wet nostrils.
no not at all it is a natural thing for a guinea pig to do but if a guinea pig has a patch where you can see it's skin that's bad.
The guinea pig should see a veterinarian. The veterinarian can discover the cause of the guinea pig's hair loss, and he or she can see what should be done for the guinea pig.
The Skinny Pig. Its practically bald.
guinea pig
if a guinea pig or any other animal has ring worm, it will have a bald spot and it will be red, itchy and will make your guinea pig really sick, so if your guinea pig has ring worm take it to the vet NOW! thanks savannah/ guinea pig and rabbit expert The bald spot will be around the back of both ears and around their eyes
No!
Because guinea pigs don't have tails!
Chinchilla's are about the size of a Guinea pig, only with a long tail.
A chinchilla kind of looks like it.
NUTRIA