The balaenoptera musculus or better known as the blue whale is the largest animal in the world and might even be the largest in existence. The blue whale is found in the oceans, usually along the edges of continents and ice fronts. Blue whales are also usually found alone or in pairs. The biggest concentration of blue whales is located in the Pacific Ocean right along California where there are about 2,000 blue whales.The habitat of the blue whale would be the ocean, since they have been found in every ocean in the world. The blue whale's favorite food is krill, which is about three inches long. During the feeding season, the blue whale must eat up two to four tons of krill a day to survive. The blue whale eats mostly during the summer and moves to a warmer location in the winter.During the nineteenth and twentieth centuries, the population of the blue whale's severely decreased because of whale hunting. Thanks to the invention of cannons, the blue whale became much easier to hunt. The main reason for the blue whales to be hunted was for the blubber. The population is now done to about 10,000 which was once about 200,000.Several U.S. and international agencies protect the blue whales from being hunted, such as: International Whaling Commission, U.S. Marine Mammal Protection Act of 1972, and the U.S. Endangered Species Act of 1973. Even with fifty years of protection, the blue whale population has yet to recover. Gray WolfCanis Lupus, also known as the Gray Wolf, is located in the wild in various states in America. Gray wolves also live in the deserts of Israel and Arctic of Siberia because they can easily adapt to climate extremes. Today, the wolves mostly live in Minnesota, where there are about 2,200. A wolf pack, or a group of wolves, usually consists of parents, their children, and other adults. Wolf packs usually live in a specific territory, which range in size from 50 to 1,000 square miles. The size of the terri...
