Pinniped High levels of organic chemicals accumulate in these animals since they are near the top of food chains and have large reserves of blubber. Lactating mothers can pass the toxins on to their young. These pollutants can cause gastrointestinal cancers, decreased reproductivity and greater vulnerability to infectious diseases. Other man-made threats include habitat destruction by oil and gas exploitation, encroachment by boats, and underwater noise. Pinniped Pinnipeds, commonly known as seals, are a widely distributed and diverse clade of carnivorous, fin-footed, semiaquatic marine mammals. They comprise the extant families Odobenidae (whose only living member is the walrus), Otariidae (the eared
Marine mammal training Since there are few marine parks and aquariums that open each year the demand for marine mammal trainers is very competitive. Marine mammal trainers can work in aquariums, zoos, non-profit environmental advocacy organizations, eco-tourism companies, university research laboratories, industrial research centers, private companies, and government research laboratories or marine stations. Since marine mammal trainers tend to be secure in their position and close to the animals they work with, the job turnover rate is low. Once people secure a job in this field, they tend to stay for life Here are some great schools for marine mammal training, University of