They aren't. Some states have made them illegal to own, so that may be the reason you think this. Currently the ferret is the #3 most popular pet in America behind dogs and cats. If you took a look online and visited your local ferret shelter you would see that they are indeed over-populated.
No. After successful captive breeding programs, they have increased in the wild to nearly 3000.
Ferrets are only bred with other ferrets
The collective term for a group of ferrets is a "a business of ferrets" or "a cast of ferrets".
Panda ferrets the same as other ferrets, just the coloring is different.
Ferrets do have a ribcage
Ferrets do not hibernate.
The plural for ferret is ferrets but a group of ferrets is called a "business" of ferrets.
Wild ferrets - European polecat ferrets live in Europe. Black Footed ferrets live in North America.
ferrets hunt to survie
Yes you can get ferrets in the UK
everyone like ferrets
Yes, ferrets are mammals