Do blue whales have especially thick skin?

Well all whales and most marine mammals have blubber under their skin for thermoregulation of their body. The ocean is very cold so the blubber helps them not lose too much body heat and keep some of that heat in. read more

Whales do not have tear ducts but they do have glands near the eyelid that release an oily substance to lubricate and clean the eye. Whale Species. Blue Whale (Suborder: Mysticeti) The Blue whale (Balaenoptera musculus) is named for its mottled blue-gray color. read more

Whales are divided into two suborders: baleen and toothed whales. Baleen whales have a comb-like fringe, called a baleen, on the upper jaw, which is used to filter plankton, as well as small fish and crustaceans. They are the largest species of whale. Toothed whales have teeth and prey on fish, squid, other whales and marine mammals. read more