A case study on the whale

Was Jonah truly swallowed by a whale? The biblical account is often criticized by skeptics because of its miraculous content. Dagon was a fish-god who enjoyed popularity among the pantheons of Mesopotamia and the eastern Mediterranean coast. He is mentioned several times in the Bible in relation to the Philistines Judges

A case study on the whale

A case study on the whale

Today, gray whales are protected by law, and tourists who view them at their breeding and calving grounds in Mexico, regard them as friendly.

The whales seem to be curious about these tourists and frequently swim up to their boats and allow the visitors to touch their barnacle-covered backs. The experience is thrilling and many people believe the whales enjoy it, too. The gray whale has the reputation as another kind of fighter, a fighter against the forces that would bring about its extinction.

The species has fought its way back from the brink of extinction on two occasions. Like other large whales, gray whales were commercially hunted and their numbers were reduced to just a few hundred at two different times. The eastern Pacific population of gray whales has made a remarkable recovery as a result of legal protection.

Inthis population was removed from the endangered species list. Unfortunately, other species of whales have not been able to recover as quickly as the eastern gray and most remain highly endangered.

The Atlantic population had been hunted to extinction by the s and in the early s it seemed that the two Pacific populations eastern and western would follow. However, in the s the species became protected by international agreement, and today the eastern Pacific population has recovered so much that it is no longer considered endangered although it is still protected.

Population estimates indicate that there are more than 20, gray whales in the eastern Pacific, approximately equal to estimates of the historic population. The eastern Pacific population of gray whales was removed from the endangered species list inbut the western Pacific Korean population, which has not recovered at all, remains listed.

The status of the western Pacific population is relatively unknown, but it is believed to be highly endangered and close to extinction. The gray whale is an interesting case study because one population is extinct, one is endangered, and one is recovered.

Natural History All whales are mammals, and they are more closely related to cows than to fish. They are warm-blooded, breathe air and give birth to live young.

Adult gray whale females mate every other year and are pregnant for more than a year. The calves are born in January or February, and they can be up to 12 feet 4m long and weigh 2, pounds kg.

Gray whales are bottom feeders, dredging the sandy ocean floor for amphipods, isopods, tubeworms, and other bottom-dwelling organisms. They are in the class of whales that have no teeth, called baleen whales.

They eat by using baleen, a fringed plate that lines the upper jaw and traps prey in the mouth while water is filtered out.

A case study on the whale

Most feeding takes place in their summer grounds in Alaska between May and September, and some feeding occurs during migration. Adults rarely feed while in and around their breeding lagoons in Baja California.

The only animal known to prey on gray whales, other than humans, is the killer whale Orcinus orca. However, an analysis of tooth scars on stranded gray whale carcasses indicates that these attacks frequently are not fatal.

The eastern Pacific population of gray whales has the longest migration of any mammal, traveling up to 10, miles 16, km round trip from the summer feeding grounds in the Bering and Chuchki Seas in Alaska to the winter breeding and calving grounds in Baja California.

The trip takes about four months and the whales swim day and night, even while sleeping. They stay close to the coastline, and swim alone or in small groups. The migration is staggered according to age and sex, with pregnant females leading the way, followed by other females, adult males, and then immature females and males.

On the way back north the migration is similar, with the newly pregnant females leading the way. Females with new calves bring up the rear. Although gray whales are protected throughout their range, they receive special attention at the breeding and calving grounds in Baja.

In the s, Mexico designated refuges in three of the four major lagoons the whales use. To prevent disturbance of the whales, boats are allowed to enter the lagoons only with a governments permit.

The fact that gray whales congregate together in the winter for mating and calving has been partially responsible for both their difficulty and their recovery.

In the s, when commercial whalers discovered the calving lagoons, the concentration of whales in the shallow waters made their wholesale slaughter very easy. By the s, the gray whale was almost extinct and most hunting stopped.1 or plural whale: any of various very large, aquatic, marine mammals (order Cetacea) that have a torpedo-shaped body with a thick layer of blubber, paddle-shaped forelimbs but no hind limbs, a horizontally flattened tail, and nostrils that open externally at the top of the head also: cetacean — see baleen whale, toothed whale.


Hedge Fund Case Studies Why They Matter, How to Approach Them, the Key Points to Highlight, and Their Role in the Hedge Fund Recruiting Process. GRAY WHALE AN ENDANGERED SPECIES. The gray whale is known as both the friendly whale and the fighting whale.

Yupik Eskimos who hunt the gray whale in Alaska, and 19th century commercial whalers who hunted the gray whale in Mexico have each called it “devil fish” because of its reputation for fighting back and overturning boats when attacked.

Thesis Statement: The whale shark tourism industry of Donsol, Sorsogon has greatly changed its economic state and its reputation, but the whale shark tourism poses also problems on the fishing industries which is Donsol’s main source of livelihood.

I. Donsol, which is located in Sorsogon province. Blue Whale (Balaenoptera musculus) Mohamed bin Zayed Species project number Centro de Conservación Cetacea (CCC) is a Chilean non-governmental and non-profit organization that actively and effectively works on the conservation of cetacean species and their aquatic ecosystems in Chile and the Southern Hemisphere.

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