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KILLER WHALE

Published on Nov 18, 2015

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PRESENTATION OUTLINE

KILLER WHALE

(Orcinus orca)
Photo by Matthew_Allen

Size

  • Length 20-32 ft. (6-9.8 m)
  • Weight 3-5.5 tons (3,000-5,600 kg)
Photo by Alan Vernon.

Habitat

  • Widely distributed in coastal and offshore waters.
  • Most common in cold nearshore waters, especially in the Northwest.
Photo by alumroot

Diet

  • Takes a wide variety of prey including fish, seals, baleen whales, seabirds, and sea turtles.
Photo by Miles Ritter

Reproductive

  • Females give birth to a single young at any time of year.
  • Young are nursed for about 2 years; females reproduce about every 5 years.
  • Non-reproductive adults have been known to care for the older calf of a female with a young baby
  • Dorsal fin very tall, narrow, and erect in male, smaller and falcate in female and immature.
Photo by Paruula

Behavior

  • Often cruises with tall fin clearly visible; breaches, spy-hops, and flipper-slaps;is not wary of boats.

Nesting

  • Lives in stable pods of 3-30.
  • Worldwide in all oceans, from Arctic pack ice to tropics.
Photo by auntie rain

Call or Noise

  • Clicks are thought to be used in echolocation, screams for communication.
  • Calls range from 4 to 5 kHz.
Photo by DrTH80

Defense against predation

  • When it comes to defenses, orcas rely on echolocation, close-knit social groups, hunting ability, massive size and sharp senses.
Photo by TheGirlsNY

Physical Characteristics

  • Striking black-and-white coloration: white patch behind eye and white of belly extending onto rear flank.
  • Gray saddle behind dorsal fin.
  • Flippers large and rounded.
  • Well known and unmistakable.
Photo by Mike Charest