some giraffes

(a)  

some fish

(a)  

the cows

(a)  

the intelligent birds

(a)  

A yellow duck

(a)  

the fluffy sheep

(a)  

some white rabbits

(a)  

a big bear

(a)  

the green snakes

(a)  

How can you tell whether a noun is masculine or feminine?

What do all the definite articles (el, la, los, las) mean in English?

What do the indefinite singular articles (un, una) mean in English?

What do the plural indefinite articles (unos, unas) mean in English?

What are the rules to pluralizing words in Spanish?