How to Say "beasts" in Spanish
The most common Spanish word for “beasts” is “animales” — use 'animales' for a general, neutral term referring to any kind of animal, from pets to wildlife, without implying size, danger, or ferocity..
animales
/ah-nee-MAH-les//aniˈmales/

Examples
En el zoológico vimos muchos animales exóticos.
In the zoo, we saw many exotic animals.
Los animales domésticos necesitan mucho cuidado y amor.
Domestic animals need a lot of care and love.
El comportamiento de los animales marinos es fascinante.
The behavior of marine animals is fascinating.
Masculine Plural Rule
Even though 'animales' refers to creatures regardless of sex, the word itself is always treated as masculine in Spanish. You use 'los' (the) or masculine adjectives like 'muchos' (many) with it.
Using the wrong article
Mistake: “Las animales viven en el bosque.”
Correction: Los animales viven en el bosque. (Remember to use the masculine plural 'los'.)
bestias
/BESS-tyahss//ˈbestjas/

Examples
Las bestias salvajes se refugiaron en la cueva.
The wild beasts took shelter in the cave.
Cargaron la leña sobre las bestias.
They loaded the firewood onto the pack animals.
Ustedes son unas bestias jugando al fútbol.
You guys are beasts at playing soccer.
Mis hermanos son unas bestias con las matemáticas.
My brothers are absolute beasts at math.
Always Feminine
Even though it refers to animals, this word is always feminine ('las bestias'), no matter the gender of the animals themselves.
Slang Structure
Typically used with the verb 'ser' (to be) to give someone a high compliment.
Gender Trap
Mistake: “los bestias”
Correction: las bestias (even if you are talking about male animals or men, the word remains feminine).
monstruos
mohn-STROH-ohs/ˈmons.tɾwos/

Examples
Los niños se asustaron con los monstruos de la película.
The children got scared by the monsters in the movie.
En la mitología griega hay muchos monstruos marinos.
In Greek mythology there are many sea monsters.
Plural Form
This word is the masculine plural form of 'monstruo'. Since it ends in a vowel, you just add '-s' to make it plural.
General Animals vs. Fearsome Creatures
Related Translations
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