Next-Gen

Orca

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by kayland99
Last updated 1 year ago

Discipline:
Science
Subject:
Zoology

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Orca

Description

Orcas are known for their long dorsal fin (the fin on the animal's back) and black-and-white coloring. According to National Geographic, orcas are considered the largest species of the dolphin family. They weigh up to 6 tons (5,443 kilograms) and grow to 23 to 32 feet (7 to 9.7 meters). That is almost as long as a school bus. The largest orca ever recorded was 32 feet (9.8 m) long, according to Sea World.

The Orca is a Mammal. Mammals are "warm-blooded": they maintain a constant, high body temperature independent of their surroundings.Dolphins and their immediate kin are included in the scientific family Delphinidae. This family is represented by about 36 species, including bottlenose dolphins, pilot whales, and false killer whales. The killer whale is the largest member of the dolphin family.

Habitat

Classification

Killer whales are the most widely distributed mammals, other than humans, according to Sea World. They live in the oceans and seas surrounding most coastal countries. They adapt very well to any climate. For example, they can live in the warm waters near the equator or the icy waters of the North and South Pole regions. Orcas are more likely to be found at higher latitudes and near the shore, though.

Orcas use echolocation to talk to each other and hunt. They will make a sound that travels through the water until sound waves hit an object. Then, the sound wave will bounce back to the orca. Using this technique, they are able to detect where objects and other orcas are in the area. They can also find out the size and shape of an object using echolocation.When orcas are born, their dorsal fin is flexible, but it stiffens as the calf ages.Orcas are black and white for a reason; their coloring helps to camouflage them by obscuring their outline in the water.

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