Not all mammals have external, or visible tails.
While not all mammals have external tails, they do, however, have vestigial tails, or remnants of a tail which can be seen in its skeleton. Examples of mammals with vestigial tails are humans (the coccyx), apes, wombats and koalas, just to name a few.
fur
There are gray wolves, red wolves, and white wolves(To my knowledge). There might be more colors though.
They are made out of fur!
No, their fur isn't very valuable.
no, arctic wolves do not need to cool off because they have fur. fur helps all mammals keep warm. arctic wolves are mammals.
Yes, unfortunately.
the answer is yes
The body covering of wolves is fur.
To keep them warm and to keep water from touching their skin.
they are being killed for their fur
because of there fur
to stay alive