Killer Whales - The Orcas Essay -- Research Essays Papers

slayer Whales - The OrcasKiller whales atomic number 18 one of the most fascinating displays of ocean spirit. The orca whale has characteristics that atomic number 18 important to its survival in the ocean. It is interesting to make out that grampus whale whales have a plentiful viands. It is astounding to see how killer whales behave in the ocean. I plan to tell you about the killer whale, its characteristics, its diet, and its behavior in the ocean as well as the depredation of the orca.Orcinus orca is the scientific name for the massive oceanic mammal. Orcas are not rare, but have declining numbers in round areas (Martin.) Orcas are found from the Artic Ocean to the Antartic Ocean. (Britannica) They belong to the Delphinidae, or dolphin family, which is the largest of their species. Female orcas get on to be at the most 15 feet, and weigh up to 4 tons, but the males can grow as large as 20-30 feet, and pack up to 8 tons. (Martin) The color of the orca is white in some spots, black on the majority of the body, and gray just behind the abaxial fin. It is white on the chin, belly and the mall. The white patch above the nerve centre is usually mistaken for the eye, and may confuse their prey, but acts as a camouflage for the eye. The name killer whale makes people tend to look at that this is a viscious man-eating mammal, yet it is one of the most shrewd, docile and playful species of the marine mammals. The orca is sexually mature at 10-15 years of age, much desire humans, which is 12-13 years of age. They tend to mate year round, and is able to have a calf every two years. It is interesting to know that lactation of the become lasts 12 or more months (Wynne.) The life expectancy of orcas is 45-50 years of age. The orca has some distinctive features. The do... ...own to circle its dead for hours until dying itself. It puts its own life on the line when the others in its group is in trouble. The diverse diet also makes it an interesting marine mammal to know about because several(predicate) types of marine life have a food staple consisting of two or three species. The orcas distinctive white spot above the eye make for good diversion and the conical teeth make for superior hunting. And although they range in size depending on sex, the fascination with this fair coat marine mammal is immeasurable in size.BibliographyMartin, Richard Mark Mammals of the Ocean. G.P. Putnams parole New York, 1977Britannica Online Dictionary. Britanica.com. June. 2001 .Haley, Delphine Marine Mammals. Pacific Search Press Pub. Date unusual Wynne, Kate Marine Mammals of Alaska University of Alaska Fairbanks. Pub Date Unknown