animal kingdom
US /ˈæn.ɪ.məl ˌkɪŋ.dəm/
UK /ˈæn.ɪ.məl ˌkɪŋ.dəm/

1.
reino animal
the group of all living creatures that are animals, as distinct from plants, fungi, etc.
:
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The diversity of species in the animal kingdom is astounding.
La diversidad de especies en el reino animal es asombrosa.
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Humans are part of the animal kingdom.
Los humanos son parte del reino animal.