What are the lumps on some baleen whales called?

These bumps on the head are called dermal tubercles, and within each is a hair follicle. Whales are mammals, and like other mammals have hair during development. Typically, this hair is located on the head of the fetus and is lost before birth. read more

These bumps on the head are called dermal tubercles, and within each is a hair follicle. Whales are mammals, and like other mammals have hair during development. Typically, this hair is located on the head of the fetus and is lost before birth. In humpbacks, and some other baleen whales the hair remains. read more

The lumps on the faces of all Humpback whales are called tubercles. They, in fact, are enlarged hair follicles and some even have a small hair or whisker sticking out of them, especially in the young calves. Whales are mammals and one of the defining characteristics of being a mammal is the presence of hair. read more

Whales are mammals, and like other mammals have hair during development. Typically, this hair is located on the head of the fetus and is lost before birth. In humpbacks, and some other baleen whales the hair remains. iN humpbacks each golf-ball sized lump, or tubercle, has a single hair (~1 1/2in) sprouting from the center. read more

Good question. The lumps on the faces of all Humpback whales are called tubercles. They, in fact, are enlarged hair follicles and some even have a small hair or whisker sticking out of them, especially in the young calves. Whales are mammals and one of the defining characteristics of being a mammal is the presence of hair. read more