If whale is mammal, how does it feed its baby in water?

As I was breastfeeding the other day, I wondered how marine mammals like whales and dolphins feed their babies milk while underwater. ... read more

Since whales are true mammals, they have mammary glands. The female whale has a fold on her belly under which lie the mammary glands. These are a bit like teats on the udder of a cow, but not proportionally as long. read more

Mammals all are warm-blooded animals, they breathe air, have hair, and moms feed their babies milk from mammary glands. Whales actually do all of these things! Whales are warm blooded, which means they keep a high body temperature that does not change in the cold water. read more