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.
Some whales are classified as mammals. Smaller fish are not
NO! They're mammals.
Yes, whales are the largest mammals.
Yes, pilot whales are 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.
Yes, they do. Whales are marine mammals, and all mammals are vertebrates.
All whales are mammals. As are dolphins as well.
Yes, beluga whales are vertebrates.
According to the current definition of mammals, whales ARE mammals. Treat it as fact not opinion.