Otter

A species called Lutrogale palaeoleptonyx was initially thought to be an ancestor, but it was later proven to be the ancestor of Lutrogale perspicillata. The Oriental small-clawed otter likely evolved from Aonyx aonychoides because their bodies are long, streamlined and short legged. They have muscular tails, webbed paws, and powerful hind legs. Their front paws have opposable “thumbs” for grabbing. The small, rounded ears have a…

The first time I went kayaking was a great adventure and opened me up to so many new things! My two friends, Juan and Bobby, went on a kayaking trip to the Holston River. When they got back they told me about the amazing time that they had. My mom and I decided that we wanted to try it out too, but little did we know what an amazing time we would have. My mom and I got up very early in the morning and headed off to a large nearby lake that we had seen when driving past. Thankfully, we had…

the environment, the oil spill created a major risk to the area food chain supporting the Alaskan fishing industry. Additionally, many species of animals were threatened, including ten million migratory shore birds and waterfowl, hundreds of sea otters, porpoises and sea lions, and several varieties of whales. Exxon Valdez Oil Spill was an Irreplaceable loss for the Alaskan people. That oil spill destroyed the whole ecological environment of Alaska. It has affected to general people, tourist,…

There are two major trophic cascades that scientist use. One is called bottom-up and the other is top-down. The controller of top-down would be the top predator or the apex predator (Wallach and O’Neill, 2009). The apex predator can also be known as the keystone species in that ecosystem. Top-down control is when the apex predator regulates the structure and population of the ecosystem (Wallach and O’Neill, 2009). The apex predators will prey on the consumers, which keeps the consumers…

disappeared. Give specific reasons for each variety. The keystone species, is a phenomenon in which a certain species keep the proportion of an ecosystem in check. Sea otters, are a great example of a keystone species. Because, they keep sea urchins from consuming and destroying large kelp fields. If the otters were to disappear urchins would thrive and valuable kelp fields would be…

years ago All mammals are related deeply in their bones and today’s mammals are one of the mammal lineages that survived. Scientific evidence suggests that Otters have been on Earth from the past 23 million years and present day’s Otter evolved about 7 millions years ago. Otters have gone through many adaptations and scientists believe that Otters were once only land animals but they moved into water to save themselves from predators and to get away from what was happening around them.…

This oil spill caused Alaska to lose over 5,000 sea otters and 250,000 birds. With Roland's help they managed to save 300 sea otters. In his book he talks about how they go out in small boats for around two weeks at a time, following the flow of oil. When they would see a sea otter lying on shore shivering, they knew right away the seal was covered in oil. As fast as they can they would get out of their boats and attempt to trap the otter, and then scoop it up with a net. Smith continued to…

Diving Mammals There are many different types of aquatic mammals such as pinnipeds ,whales, dolphins, seals, otters, beaver, muskrat, hippopotamus and walrus. These diving mammals don't breathe underwater as fish do, so their respiratory systems had to protect the body from the surrounding water; valvular nostrils and an intranarial larynx exclude water while breathing and swallowing. To navigate and detect prey in murky and turbid waters, aquatic mammals have developed a variety of sensory…

The U.S. Fish and Wildlife Service protects animals, plants, land, and waters by managing more than 500 National Wildlife Refuges or 150 million-acres. The organization’s mission is to “work with others to conserve, protect and enhance fish, wildlife and plants and their habitats for the continuing benefit of the American people”(Fish and Wildlife Service). While the organization is centered around helping conserve the American land, in my research for my proposal to better protect the lsla…

Tonto’s dominate trait would have to be charismatic, Tonto’s concern is towards his family from otter lake, Tonto goal is to be the best Indian man he can be. Barbs dominate trait is undaunted, Barbs concern is towards Janice/Grace, Barbs goal is to make Janice/Grace realize she’s native and has a native family and doesn’t have a white family and is not white. Rodney’s dominate trait would be intelligent, Rodney’s concern is towards Barb and Janice/Grace, Rodney’s goal is to bring back the…