Kind of because you can only get them from finished horse stables and cannot be bought.
You can harvest horsehair from them.
Horse Hair
Your right... there is no such thing as "rare" animals.
The way to get foals on Farmville, is to, you have to have full grown horses, to put in your horse stables, if you have horses in your stables, you can have chances of having foals. Another way to get foals is to check out your farmville friends profile pages.
You just have to wait.
You can place horses on any non-plowed land that isn't occupied by something else.
No. Dapple grays aren't born dapple, they get dapples as they grow older. Most dapple grays were grey/white when they were born.
Yes There arent many cremello horses so they are rare .
Not as rare as blue ones but they are pretty rare
No, the gray wolf is listed as a species of least concern.
No, not all gray horses will have cancer. However, gray horses are strongly predisposed to developing malignant melanomas, an aggressive cancer starting from the pigment-producing cells of the skin.
To get animals on Farmville, you either buy them from the market with your Farmville dollars (which are received by leveling up or buy purchasing them) or with your Farmville coins (which are received by harvesting crops, trees, or animals, or by helping friends or won in the daily raffle). You can also get rare Farmville animals by adopting them when they wonder on to a neighbors farm.