Generic Names of Animals in Spanish

Why some are masculine, some are feminine

Gallo y Gallina
Gallo y Gallina

In Spanish, nouns have a gender: masculine or feminine. For students, it can be strange when animals are sometimes “he” or “she” by default. For example, in English we say the spider, and it can be male or female, but in Spanish it is always la araña (feminine). On the other hand, el pez, el pescado is masculine. And sometimes, when we want to be specific, Spanish uses a totally different word for the male and the female of the same animal. For example: el caballo (male horse) and la yegua (mare, female horse). For animals, male is macho and female is hembra.

Here is a table to help you see the patterns and also the exceptions.

Table of Animals and Their Gender in Spanish

Animal in Spanish Default gender (Generic) Female Form (if different) Notes
la rata Feminine Rat (female by default). People don’t say el rato for male, and el ratón is a mouse. People might say la rata macho (male rat)
la araña Feminine Spider (always feminine)
la serpiente Feminine Snake (always feminine)
la víbora Feminine Another word for snake
la culebra Feminine Another word for snake
la tarántula Feminine Tarantula
la hormiga Feminine Ant
la abeja Feminine Bee (never el abejo).
la cucaracha Feminine Cockroach
la mariposa Feminine Butterfly. Mariposo might be a derogatory euphemism
la mosca Feminine Fly, feminine. El mosco would be a mosquito, different insect
el mosquito Masculine Mosquito, masculine
el oso Masculine la osa Bear
el perro Masculine la perra Dog
el gato Masculine la gata Cat
el caballo Masculine la yegua Horse (different word for female, just like in English)
la jirafa Feminine No “el jirafo” in Spanish
el pez, el pescado Masculine Fish. No “la peza” in Spanish
la rana Feminine frog
el sapo Masculine toad
la paloma Feminine el palomo, by default it’s la paloma, feminine, when you don’t know the gender. Pigeon/Dove
el pichón Masculine la pichona Young pigeon
la capibara Feminine In some regions also called el carpincho
el borrego (MX) Masculine Sheep
la oveja Feminine Sheep
el toro Masculine la vaca Bull and cow
el gallo Masculine la gallina Rooster and hen. For chicken you could say pollo, polla, pollito, pollita. For food it is called pollo.
el pato Masculine la pata Duck
el león Masculine la leona Lion
el tigre Masculine la tigresa Tiger
el elefante Masculine la elefanta Elephant
el ratón Masculine la ratona (You can be more specific if you happen to know the gender) Mouse
el ciervo, el venado (MX) Masculine la cierva, la venada Deer
el burro Masculine la burra Donkey

So for students, this can be confusing. Sometimes the word is always feminine (la araña, la culebra). Sometimes it is always masculine (el caballo) for the generic animal unless you want to point out that it’s female (la yegua). And in other cases, there are two completely different words depending on the sex of the animal (el toro – la vaca). The important thing is to learn them case by case, because Spanish doesn’t always follow one rule with animals. Also, these animal names can change in different countries or regions and these rules could be flexible depending on specific situations (zoo, research, pets, etc.)


Mexican telenovela actress Aracely Arámbula called her ex, singer Luis Miguel, El Rey Cucaracho, which sounded very unusual but at the same time very funny because no one says cucaracho. Cucarachas are always female in the minds of spanish-speaking people. This is the King Male Cockroach. She received an ovation:

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