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Killer Whale

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Kate Munday

on 7 August 2015

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Transcript of Killer Whale

Killer Whale
Killer Whale
The maximum size for a male killer whale to grow up to is 9.9 meters and 8.3 metres for female, they can weigh up to 10,000kg. All Killer Whales have a dorsal fin, but generally the male is larger than the female, reaching up to 1.9meters.
Their complexion is black and patches of white around.
Killer Whales start breeding at the age of 14-15 years and give birth to live individual
calves. Gestation is 17 months. Female breed every three to ten years for 25 years, till 40 years of age.
The Killer Whale (Orcinus Orca) is a mammal, meaning they are warm blooded, have live young, breath through lungs and feed of their mothers' milk. The Killer Whale's skin through evolution has adapted to the swimming environment , and only as a young they are born with a few hairs around the rostrum and are lost within the first few days of their life.
Killer whales are vertebrates, they have a skull,ribs, front limbs and a backbone.
Blue marks where killer whales have been sighted.
Killer whales feed differently depending on whether they are Resident or Transient.
Resident prey mostly on fish and move according to the migration of Salmon, seeing they are 96% of their diet. They spend 65-70% of daylight foraging for food.
Transient prey mostly on marine animals and sea-birds, and spend 90% of the daylight foraging for food.

Newborn calves are generally 2.6 meters in length and weigh 120 to 160kg
~Pleadar.T 7E
The Killer whales have the anatomy to withstand low water temperatures and is more preferable with Cooler regions, leading them to be found In the Arctic regions to the Antarctic regions, also where the food range is larger.
Killer whale has been reported been seen in the warmer regions as Australia, Hawaii and the Bahamas.
The killer whale earned their name when sailors came across them during journeys, seeing them tear up their preys, and was given the the name 'Whale killer, and has now been changed to 'Killer whale'. Even though the earned their name 'Killer Whale', they are part of the Delphinidae(Dolphin) family.
They have no natural predators and can live up to a life of 50-80 years.
Their body are in a cylindrical form, making it energy efficient for swimming, causing less dragging.
They have a grey patch behind the dorsal fin known as a saddle.
Killer Whale teeth-->
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