It means that whales are warm blooded like us humans. Whales have breath with there lungs. Unlike fish, whales do not remove oxygen from the water but breathe air directly. This means a whale must come to the surface of the water at regular intervals to breathe.
Yes, They are
Some whales are classified as mammals. Smaller fish are not
Yes, pilot whales are mammals.
NO! They're mammals.
Yes, whales are the largest mammals.
If you mean live young, then yes they do, as they are mammals.
Yes they are. Remember that Narwhals are whales, and that whales are most certainly mammals.
Whales are mammals. Mammals are warm blooded.
aye, whales and dolphins ARE mammals. Although, why they are I am not sure.
All whales are mammals. As are dolphins as well.
Yes, they do. Whales are marine mammals, and all mammals are vertebrates.
Yes, beluga whales are vertebrates.
According to the current definition of mammals, whales ARE mammals. Treat it as fact not opinion.