it depends, it can range from almost anything. but most mammals are found on land, some are in the sea, e.g. a seal. you'll have to be more specific for the right answer
it depends of which speific mammals that you are talking about
it would be land
Their habitat has forced some mammals to live that way.
If you mean a 'turtle' - they are reptiles - not mammals !
everywhere except Antarctica
Yes.
habitats of bluebird
Whales are mammals and normally give birth to live young ones. Their habitat is the sea where they are adapted to survive in.
The Chinese River dolpins are mammals
loss of habitat
Why do not all humans live in the same habitat
Marine mammals respond to temperature change in various ways. In most cases, a change in temperature will cause the mammals to change their habitat.