Blue Whales are very big and I believe that they can be blue or white.
Narwhals are whales, and whales are considered mammals, and mammals can't breathe underwater. Therfore, a narwhal must breathe air to prevent from drowning, and to do so, they (and all the other kinds of sea mammals) must swim up to the surface every few minutes to breathe air.
Yes, they are mammals(including other whales and dolphins).
Yes. They communicate by "whale songs". A kind of groaning that can travel as far as 20 miles.
They DO communicate with each other
yes
The big whales as a rule don't eat marine mammals, but Orcas - killer whales - will eat seals, sea lions, and even other whales when they have the chance.
No, whales are not classified as fish. They are mammals and belong to the group called cetaceans. Fish and mammals are different in terms of their anatomy, reproduction, and other characteristics.
Whales give birth through their vagina, like other mammals.
it makes nosies
yes
No. Whales must to breathe air - they do not have gills and can not breathe underwater. Also, they are mammals, giving birth to live off-spring and suckling them.An easy way to distinguish most marine mammals from fish is the angle of the tail - mammals have it horizontal and fish (including sharks) have a vertical tail fin.No, whales are mammals, like dolphins. An easy way to tell is if something swims with it's tail moving side to side, it is a fish. If the tail moves up and down, it is a mammal. A whale is a mammal, it gives birth to live young and has to rise to the surface to breathe. its whale and no whales are mammals