With the new challenges wildlife faces daily, it is no longer enough just to survive.  To ensure species longevity, individuals must learn to quickly adapt.  Although a lot of attention is given to the conservation of the large, iconic creatures of land and sea, it is often those species that reside in the middle of the food chain that play the most vital rolls in ecosystem balance that are overlooked.  One particular animal that fits into this category is the sea otter. Like all otters, the sea otter is a member of the weasel family.  The three subspecies of Enhydra …