"The birds are yellow."
Translation:Gli uccelli sono gialli.
it is "i cani".
- Lo (pl. gli) is used before masculine nouns beginning with s + consonant (lo stivale = the boot), z (zoo),gn, ps, pn, x and y.
- L’ (pl. gli) is used before masculine nouns beginning with a vowel.
- Il (pl. i) is used before masculine nouns beginning with all other consonants.
for more examples check: http://italian.about.com/library/fare/blfare110a.htm
I is the plural of il. You just drop the l. Italian articles, adjectives and nouns generally end in the same vowel when the agree in the plural. The only issues are nouns ending in e in the singular. The e always turns to i, but many Italian nouns that end in e are feminine. This can be confusing.
http://www.uvm.edu/~cmazzoni/3grammatica/grammatica/articles.html A good explaintion of a lot of he crazy itailian grammer