Do Humpback Whales Have Blubber?

Do Humpback Whales Have Blubber? Do humpback whales have blubber? The thickness of the blubber coat varies among species and time of year: for example, humpback whales generally have blubber layers around 6 inches thick, while after their feeding season right whales can have a blubber layer up to 50cm thick! Why do humpback whales