Animal-A multicellular organism that can move voluntarily and can acquire food and digest it internally.

Blubber-The fat of whales or other large marine animals.

Domesticated-To tame, breed, or cultivate for human use.

Endangered Species-A species at risk of extinction.

Extinction-No longer in existance.

Mammal-A warm blooded vertabrate of the the class that nourishes its young with milk from maternal mammary glands.

Nocturnal-Of or occuring at night, active at night.