Marine mammal Marine mammal Marine mammals are aquatic mammals that rely on the ocean and other marine ecosystems for their existence. They include animals such as seals, whales, manatees, sea otters and polar bears. They do not represent a distinct taxon or systematic grouping, but rather have a polyphyletic relation due to convergent evolution, as in they do not have an immediate common ancestor. They are also unified by their reliance on the marine environment for feeding. Marine mammal adaptation to an aquatic lifestyle varies considerably between species. Both cetaceans and sirenians are fully aquatic and therefore are obligate water dwellers. Seals
Which Side Are You On? Which Side Are You On? "Which Side Are You On?" is a song written in 1931 by Florence Reece, the wife of Sam Reece, a union organizer for the United Mine Workers in Harlan County, Kentucky. In 1931, the miners and the mine owners in southeastern Kentucky were locked in a bitter and violent struggle called the Harlan County War. In an attempt to intimidate the family of union leader Sam Reece, Sheriff J. H. Blair and his men, hired by the mining company, illegally entered their home in search of Reece. Reece had been warned in advance and escaped