FIRST DECLENSION SONG
-a, -am, -ae, -ae, -ā… singular!
-ae, -ās, -ārum, -īs, -īs… plural!
First declension, mostly feminine:
Lingua Latīna, Rōma, in Italiā, īnsula!

-a, -am, -ae, -ae, -ā… singular!
-ae, -ās, -ārum, -īs, -īs… plural
First declension, just a few masculine:
Nauta, poēta, agricola, collēga, incola!

*While most nouns of the first declension are feminine, there are some masculine nouns in this noun family, like nauta (sailor), poēta  (poet), agricola (farmer), collēga (colleague), and incola (inhabitant). See the  Gender Song  for other masculine nouns of the first declension.