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Walrus

The walrus can, at best give birth to a calf every second year. Among older animals, it is normal to have a calf only every 4 or more years. The calf normally stays with the mother for 2 years, until they are able to feed on benthic invertebrates. After this the young females normally stay with the group while the young males tend to leave the group to join groups of males. The higher mortality among the males may be caused by their aggressive behavior towards each other. The natural mortality rate appears to be about 2 percent per year and the major causes of death are malnutrition, predation and diseases(Fay et al. 1979). .
             The walruses are mainly benthic feeders and their diet is mostly made up of bivalve mollusks. Most feeding takes place at a depth between 10 - 50 meters. They can dive much deeper but there is no point since the benthic organism they feed on cannot be found at extreme depths (Fay and Burns 1988). A walrus eats about 3000 - 6000 clams per day. However, the walrus does not only feed on benthic invertebrates. In times of need they also eat fish, seabirds and some walruses even kill and eat seals. .
             According to the U.S. Marine Mammal Act of 1972, only Alaskan Natives are allowed to hunt walruses and then only for survival purposes for making Native handcraft. There is no fixed limit to the numbers that can be harvested. The numbers of animals killed is only restricted by what can reasonably be used. The walrus has been protected since 1952 in Norway and only residents with a license are allowed to hunt walruses in Greenland. .
             The Pacific walrus has been hunted for approximately 150 years. The population has been severely reduced several times, but it has returned to its original population rate. The latest decline started in the 1930's and was the most severe. There were only 50 000 - 100 000 individuals in the 1950's. All of the major declines have been due to commercial overharvest (Fay et al 1989).


Essays Related to Walrus

1. The Walrus and the Carpenter analysis

The Walrus and the Carpenter Life is about choices. The paths we choose to walk are diverse. They may end in good or bad scenarios, depending on the informed or uninformed choices ... oysters. Although he had knowledge and wisdom, which should have been respected and obeyed, he was ignored. Through his life's experiences he knew the promises of the Carpenter and the Walrus were void of substance and that something was amiss. The young, fat oysters fell prey to deception because they saw that the ... Walrus and the Carpenter were having a joyous time just being giddy, and wanted to get out o...

  • Word Count: 412
  • Approx Pages: 2
  • Grade Level: High School

2. Walrus the Friend

Walrus as a Friend Effective communication is hard work, but somebody has to do it! This story clearly exhibits a leader who has not yet mastered the skills of being an effective communicator. ... you are leading or directing others, you should always be able to communicate to achieve a positive outcome. This story takes place in the icy shores of the Artic Bay where a walrus named Basil is suppose to lead a herd of walruses to meet their quota for the number of herring caught. Their journey so far is not much of a success because they ... ...

  • Word Count: 458
  • Approx Pages: 2
  • Grade Level: High School

3. Music As Process

... compositions, one being a selection of movements from the Incidental music written to Peer Gynt By Edvard Grieg, the other being the song "I am the Walrus" by the Beatles. Edvard Grieg found it difficult to get inspiration to write incidental music to the verse drama, "Peer Gynt". He was commissioned ... of the cave and they can't follow him because the sunlight will turn them to stone. John Lennon took his inspiration to write, "I am a Walrus" from a number of different and seemingly unrelated sources. The song has three distinct thematic sections, the beginning of the song was said to...

  • Word Count: 1449
  • Approx Pages: 6
  • Has Bibliography

4. The Beatles

... 're getting closer", and then would cut off. On the front cover the Beatles are in costume, and Paul has the outfit on of a walrus. He is also the only one in black. In some cultures the walrus represents death, so it is possible that Paul is representing death. Throughout the album booklet, Paul is shown without shoes. Generally people are buried ... ...

  • Word Count: 2315
  • Approx Pages: 9
  • Grade Level: High School

5. Global Warming in the Arcti

... their young on the ice. With the ice thinning, it will be less able to support the weight of the walrus. The ice, having moved farther north than usual already, is also over deeper water. This makes it harder for the walrus mother and her young to get onto the ice. Already the number of young walruses is lower than expected. (Environment ... ...

  • Word Count: 1153
  • Approx Pages: 5
  • Has Bibliography
  • Grade Level: High School

6. Environmental Implications of Tourism

... . Global warming usually results in critical glacier melting in Arctic and then will automatically affects all the animal species inhabited on the glacier, such as polar bears, penguins, seals, and walrus and such. Therefore, scarcity of water and extraordinary energy consumption can result in serious lack of local resources and even severe water and air contamination. On top of such critical ... ...

  • Word Count: 697
  • Approx Pages: 3
  • Has Bibliography
  • Grade Level: Undergraduate

7. The History of the Vikings

... goods and materials such as silver, silk, spices, wine, jewellery, glass and pottery. In return, they sold items such as honey, tin, wheat, wool, wood, iron, fur, leather, fish and walrus ivory.4 By trading, the Vikings were getting rich and discovered new land. The traders went all over Europe, north and west to Iceland and Greenland, south down the Russian rivers ... ...

  • Word Count: 1040
  • Approx Pages: 4
  • Has Bibliography
  • Grade Level: High School

8. The Life of Paul Revere

... Continental Congress in Philadelphia. From 1768 through 1775, Paul Revere was an advertised dentist. He cleaned teeth and also wired in false teeth. He used actual animal teeth and carved walrus ivory. Even after the American Revolution, Mr. Revere was worried that America had to import sheet copper from England; therefore, he opened the first copper rolling mill in North America ... ...

  • Word Count: 633
  • Approx Pages: 3
  • Has Bibliography
  • Grade Level: High School

9. Afterlife

... to heaven. They are sent to a totally different place. Here those people are set out to figure why they left their lives because of suicide. These individuals are chained to a walrus and run into walls. This will take place until their life on earth was suppose to end. Then they are sent for judgment and more than likely directly to hell ... ...

  • Word Count: 393
  • Approx Pages: 2
  • Grade Level: High School

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