Dolphins Orcas Essay Research Paper Orcas Orcas

10 October 2017

Dolphinfishs: Orcas Essay, Research Paper

Killer whale

? Orcas are really the largest members of the dolphin household.

? The name & # 8220 ; orca & # 8221 ; means & # 8220 ; devil from snake pit & # 8221 ; in Greek. The scientific name is Orcinus Orca

? The Orca was nick named the & # 8220 ; Killer Whale when 1 was seen eating another giant. It was originally called & # 8220 ; Whale Killer & # 8221 ; and so was subsequently changed to & # 8220 ; Killer Whale & # 8221 ; . There are no confirmed records of killer whale killing a homo.

? Orcas are estimated to populate 50-60 old ages

? They are said to be capable of puting an impressive gait of 34 miles per hour and covering 60- 100 stat mis of ocean in a twenty-four hours.

? Orcas have 48 crisp dentitions, that are conical-shaped and three inches long and are known to eat low winging birds and onslaught giants over five times their ain size. They besides like calamari, herring and some warm blooded mammals. They consume around 100 lbs of fish a twenty-four hours and their favourite nutrient is pink-orange. The manner that they attack their quarry is to circle around them.

? The killer whale is black on the top half of it & # 8217 ; s organic structure and white on the bottom half because their dark back blends N with the darker H2O and the white abdomens blend in with the sunstruck H2O above them.

? Male killer whale can make up to 32 pess, weigh over eight dozenss and have a dorsal five of up to five pess tall

? Females can turn up to 22 pess tall, weigh about four dozenss, and have a three pes dorsal five.

? Orcas are found in all oceans of the universe

and favour coastal temperate or cool Waterss. However, they besides range into polar countries. Some orca populations remain local and travel along predictable paths and others are transeunt and move over great distances.

? Coupling and birth take topographic point chiefly in fall and winter. Gestation lasts over 12 months and at birth killer whales are about 6-7 foot long and weigh about 400lbs. They are born tail foremost.

? Females may give birth to four to six immature during a life-time.

? Orcas are really societal giants and most cods consist of 5-30 persons

? Surveies have shown that each cod has its ain typical idiom or speech pattern, and that members of the same cod can acknowledge each other through this typical idiom

? Orcas do non migrate, but have seasonal motions, which are tied into prey motion and environmental alterations.

? Capture of killer whale for show has become controversial and more restricted. Never before has a captured killer whale been returned to the ocean.

? Orcas and all giants, along with mahimahis use and advanced system of SONAR, which stands for Sound Navigation Ranging. This is called Echolocation. The most frequent are loud explosions ; these are used to located quarry. The sound waves resile off the object and are reflected back to the killer whale. These contemplations are received by the lower jaw and interpreted into an exact location. The high pitched whistlings and shrills are used to pass on with other orcas even at a distance of several stat mis.

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