The orca is widely known as a killer whale. However, it is a member of dolphin family. They are killers but never hunt people. They kill only for food. Their diet includes little fish, seals, and even whales. This is the reason why the orca is called the killer whale.
The orca is the largest species of dolphin. The adult males can reach 10 m. the adult females are usually smaller, about 6-7 m. Male orcas weigh approximately 5-6 tonnes and the female 3-4 tonnes. Male orcas can reach 1.8 m tall, but the females are usually half this height.
Orcas can live for 30–50 years, but female orcas can live until 90 years. They live in family groups called pods. Each pod usually contains 20–30 orcas. Pods stay in an area called a resident. They sometimes
Orca whales are the largest members of the dolphin family. Orcas are very curious creatures, they like to sky hop, which is when they poke their heads out of the water and look around, and they can also dive to as much as a hundred feet. These social animals live in pods and stay with them for their whole lives. They are so family oriented that they can may sleep together in a tight circle and have synchronized breathing. Orcas can grow up to thirty-two feet and can weigh nine tons. They typically eat five percent of their body weight and are amazing hunters. The lifespan of an orca in their
The orca or “killer whale” is a highly intelligent and self aware creature. In the wild, they are regarded as gentle and friendly, only in captivity do they live up to their nickname “killer whale”. No reported deaths have been documented in the wild, but 4 deaths have occurred while in captivity. Tilikum the orca is arguably the most infamous of captive orcas. He was captured in 1983 when he was 2 years old. Because of the stress of being deprived of everything natural and important to him, Tilikum has been involved in 3 deaths during his time in captivity. Conditions for orcas in captivity such as, small tanks, horrible health conditions and inadequate social interaction, breeds aggression. Seaworld likes to make believe they care about their orcas when, in reality, they view these intelligent creatures as nothing more than underwater cash cows. Orcas do not belong in captivity, they are going to continue to be a danger to both themselves and humans as long as they are being held prisoner.
Historical levels of the Southern Resident Orca population are currently estimated to have been as high as 200 (Fisheries.noaa.gov, 2015). The population as of 31st December 2015 was calculated at just 84 individuals (Center for Whale Research, 2015). There is limited data on the population before the mid 70’s so it is unknown what the population pattern looked like prior to this. Appendix A shows a graph documenting the population data found by a census started in 1974, as well as modelled data from 1960 to 1974. The graph starts with a low population, possibly explained by the frequent capture of live animals for marine parks (National Oceanic and Atmospheric Administration, 2014, p. 3). After this period the graph shows fluctuations in the population, then a steady growth resulting in a peak in 1995, then a sharp decline – almost 20% until 2001. This fast decline is what prompted governments to first list the population a threatened (United States Environmental Agency, 2014). The population has remained stable in the following years but now has an endangered status (Fisheries.noaa.gov, 2015).
Orcas are forced to live in tight quarters together; they have nowhere to escape conflict. This results in anxiety and tension leading to fights between orcas and their trainers. For example, in February 2010, Dawn Brancheau was pulled underwater and killed by a killer whale named Tilikum. “The 40-year-old trainer was at ease with the killer whale and had just petted him on the nose” (ABC News 2010). Orcas have social rules that prohibit violence against one another, if a fight were to occur, they can find the space to flee. Unfortunately for Dawn, Tilikum didn’t have the space he needed and lashed out. Also, injuries caused by their “family” only occur in captivity; fights rarely occur in their natural environment. Although orcas naturally eat seals, penguins, and squids, these animals only become “killer” whales in captivity. Can you blame these amazingly intelligent and emotional creatures for being frustrated with their confinement?
Half a century ago in 1964, the first orcinus orca or killer whale was captured and put on display (Rose 1). Today, there are forty-five orcas in captivity with about half being born in confinement (“Killer Whales in Captivity”). Orcas are tremendously intelligent, socially complex, and family oriented animals. Studying them in captivity, and at the same time in the wild, we have learned enough about them to realize that orcinus orcas do
Orcas are not actually in the whale family, but are classified in the dolphin family as the largest and most powerful predators of this group. They reside in pods of up to 40 members and each pod will communicate in their own different language that only members of that pod can understand. While in the wild, Orca females can live up to one hundred years and males up to fifty years of age. But when the whales are held
People say that keeping orca’s in captivities is not a problem, yet they do not realize that, orcas are also human beings. There are several reasons, why keeping these thirty-feet long creatures, in captivities is a problem. One of them, which are the tank, which is too small, compared to ocean where they can swim freely. One the other side, in captivities, the space is limited. Comparatively, to how they swim out in the wild “orcas can swim up to 100 miles per day- a phenomenal amount, in comparison to the exercise they receive in captivity”(Cronin). While being in captivity, orca has to keep swimming in circles or floats. Out “In the wild, killer whales typically travel in pods of between five and 30”(Melissa). In captivities there are only few whales, so it makes them more aggressive toward one another. This sometimes can be lead to danger by killing each other for fighting to gain power of the tank.
Some people argue that keeping orcas in captivity is not a problem, yet they do not realize some of the limitations and dangers orcas suffer when kept in captivity. One reason is that these unpredictable, thirty-foot long creatures are usually kept in a tank that is too small for them, compared to the ocean where they can swim freely. In captivity, space is limited. According to one expert, “orcas can swim up to 100 miles per day- a phenomenal amount, in comparison to the exercise they receive in captivity” (Cronin). While in captivity, an orca has to keep swimming in circles or float, unable to exercise adequately in a confined space. The small tanks also prevent orcas from living in their natural group sizes, or pods. “In the wild, killer whales typically travel in pods of between five and 30” (Melissa). In captivity, fewer than five whales are kept together, an imbalance that makes the whales more aggressive towards one another. This can lead to dangerous, territorial situations in which captive
Everyone loves going to marine parks such as SeaWorld and Marineland. They offer many spectacular shows with dolphins, sea lions and birds. However, the main attractions they offer are orcas, or as they are better known as killer whales. Highly intelligent and with acute senses of sight and hearing, they are apex predators. Recently, the possession of orcas has been a big topic of controversy. Many people believe that the animals are being mistreated in captivity. Their captivity limits their freedom and enjoyment. Many orcas suffer from poor physical and mental effects in captivity. Killer whales will usually travel between 50 and 100 miles per day in the wild, but in captivity all they can do is swim in circles or float for no reason. In the wild, killer whales live in pods of
Only 13 wild caught orcas survive in captivity. That’s 13 out of 130, the numbers don’t lie, killer whales and orcas should not be held captive. It is just not right, in the article, “Whale Captivity,” states, “Of more than 130 wild-caught orcas held for public display, only 13 survive in Oceanaria around the world… There have been approximately 200 orcas held in captivity, wild caught and captive-born given the number of males and females,
It’s a average, nice summer day and you and your family decide to see killer whales at SeaWorld. Once you arrive to the place and see the large animals in the tank you’re fascinated by their large size. Killer whales, or orca whales, are large marine mammals that can be found in every ocean around the world. They can swim for hundred of miles and “routinely dive up to 300 ft” (“Should Orca Whales Be Kept in Captivity”). They also live in large family groups known as pods that they will rarely ever leave. Seeing these large animals in the tanks that they make seem small due to their large size and with other whales along with marks, mainly bite marks and flopped over dorsal fin for the males, make it questionable if they even should be here and if these other whales are family in the seemingly makeshift pod. Orcas should not be in captivity because of health problems, lack of space in the tanks, and most of them are taken from their homes in the wild where their true family is.
Since the beginning, Orca captivity and displacement has been a highly controversial issue. With some in support of educational value behind venues of captivity such as Sea World, and others opposed to the neglectful treatment and confinement of these behemoth mammals. Killer whales, more commonly known as orcas or blackfish in popular culture, are known to inhabit all oceans on the earth from tropical regions to both arctic and Antarctic areas. In nature, the Killer whale has been designated as the world’s largest apex predator, lacking any predatory threats from above. Accompanying their vaunting presence in the natural food chain, these complex species have been scientifically designated as mammals that
Would you like that? Since the orca whales live in pods and are very social they have to stay with their family and live in the ocean. When they are in captivity they live fewer years. Reason Three they get injured in sea world.
Orcas have the most diverse diet of all the marine mammals. Some specimens of orcas prefer different types of marine mammals or marine life. They will mostly eat fish and squid, but will devour almost any marine animal in site. They tend to eat a wide array of fish from salmon, hering, halibut, and cod. One Orcas was found to have a harbor seal, a stellar sea lion, and a harbor porpoise in its stomach. Another orca was found to have the remains of 32 adult harbor seals in its belly (Martin.) The orca has been observed to eat river otters, squid, and
Since 1961, Killer whales have been held captive in a tank for entertainment. Helpless whales get captured from their families and get forced to live in artificial social groupings. At least 56 orcas have been captured and are currently held in captive. 23 of them were captured from the wild, and 33 were captive born. At least 163 orcas have died in captivity, not including the 30 miscarriages held in captivity. As you can tell, killer whales have a great negative impact when their in captive.