Kangaroo
The kangaroo was a large marsupial native to Australia on Earth.

When Spock tried to match the sound of the Whale Probe to the sound of an Earth animal aboard the Klingon Bird-of-Prey  using the phylum search mode in 2286, a kangaroo was one of the animals displayed. ()

See also
Kangaroo court

External link 
 

fr:Kangourou
Earth animals