Definitions for killer whale

This page provides all possible meanings and translations of the word killer whale

Princeton's WordNet

  1. killer whale, killer, orca, grampus, sea wolf, Orcinus orca(noun)

    predatory black-and-white toothed whale with large dorsal fin; common in cold seas

GCIDE

  1. Killer whale(n.)

    see killer.

Wiktionary

  1. killer whale(Noun)

    A sea mammal related to dolphins and porpoises.

Freebase

  1. Killer whale

    The killer whale, also referred to as the orca whale or orca, and less commonly as the blackfish, is a toothed whale belonging to the oceanic dolphin family. Killer whales are found in all oceans, from the frigid Arctic and Antarctic regions to tropical seas. Killer whales as a species have a diverse diet, although individual populations often specialize in particular types of prey. Some feed exclusively on fish, while others hunt marine mammals such as sea lions, seals, walruses, and even large whales. Killer whales are regarded as apex predators, lacking natural predators. Killer whales are highly social; some populations are composed of matrilineal family groups which are the most stable of any animal species. Their sophisticated hunting techniques and vocal behaviors, which are often specific to a particular group and passed across generations, have been described as manifestations of culture. The IUCN currently assesses the orca's conservation status as data deficient because of the likelihood that two or more killer whale types are separate species. Some local populations are considered threatened or endangered due to prey depletion, habitat loss, pollution, capture for marine mammal parks, and conflicts with fisheries. In late 2005, the "southern resident" population of killer whales that inhabits British Columbia and Washington state waters were placed on the U.S. Endangered Species list.


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