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"Mariscos" is a form of "marisco", a noun which is often translated as "seafood". "Aves" is a form of "aves", a plural noun which is often translated as "poultry". Learn more about the difference between "mariscos" and "aves" below.
el marisco(
mah
-
rees
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koh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (culinary)
las aves
A plural noun indicates that there is more than one person, place, thing, or idea.
1. (culinary)
a. poultry (raised on farms)
Prefiero las aves a la carne roja o el cerdo.I prefer poultry to red meat or pork.
b. game birds (hunted)
Este restaurante está especializado en aves como el faisán o la perdiz.This restaurant specializes in game birds such as pheasant or partridge.
el ave
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).