Write 6 pages thesis on the topic the sea lions: gregarious, vocal and intelligent. But their habitation encompasses the rim of the North Pacific Ocean from the Channel Islands in southern California to Hokkaido, Japan, and all the way north to Russia to the Bering Sea and the Kuril Islands in the Sea of Okhotsk. According to MMC, the population of sea lions within the U.S. territory, located at Prince William Sound Alaska and westward is declining rapidly (85% less since the 1970s) due to reduced prey availability and other unknown reasons. However, the sea lions to the east of Prince William Sound are the picking up slowly. The Steller sea lions are listed as Endangered in the International Union for Conservation of Nature, IUCN, Red List of Threatened Species (http://www.iucnredlist.org/). Similarly, the Galapagos and the Australian sea lions with decreasing population trends are placed in the Endangered list while the New Zealand sea lion, also with a decreasing population is placed in the ‘vulnerable’ list. The New Zealand sea lions, also known as Hooker’s sea lions, .are found only in New Zealand. They are one of the rarest species of sea lion .in the world and, also due to their restricted breeding range, perhaps the most threatened. In contrast, the population of California sea lions has shown a tremendous increase following the passage of the Marine Mammal Protection Act (MMPA) in 1972 (http://www.nwr.noaa.gov/Marine-Mammals/Seals-and-Sea-Lions/Deterring-Pinnipeds.cfm). In 2001, their population stood around ~240,000 (Sea World, 2001). Hence, currently, their status is that of least concern. The following sections discuss the patterns of behavior of California sea lion in some detail.
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