Where it Lives
They live in the freezing waters of the Arctic most of the time they swim under large sheets of ice.
They eat plankton and crustaceans.
How they became endangered
They were hunted even more intensively than the right whale lead to its extinction. The eskimos ate their meat and blubber. While the Europeans and Americans wanted the oil from their blubber and their baleen plates. The oil and bones (baleen) from these whales was an important part of the economy of many nations.
Size and Weight
Length : 50-60 feet
Weight :75-100 tons.
Keeping warm in water
They don't have a dorsal fin sticking out of the water that keeps them warm.
How they survive the cold temperature
Their blubber (fat) is 18 inches thick and covers their own body.
How fast they go.
They go 9 miles per hour (14 km/ h).
Why they lose body heat
Because there is less surface.
Where they migrate
They migrate within the Arctic Ocean.