Killer whale
The killer whale (Orcinus orca) was an aquatic mammal indigenous to Earth. It was a cetacean species.

When Spock tried to match the sound of the Whale Probe to the sound of an Earth animal aboard the Klingon Bird-of-Prey , a killer whale was one of the lifeforms shown. ()

Three huge models depicting a killer whale family were on display in the Cetacean Institute in San Francisco in 1986. () 

In 2293, Captain James T. Kirk's quarters aboard the  featured a black and white sketch of a pair of killer whales. ()

See also 
 False killer whale

External link 
 

Earth animals

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