They has 3, as if can see them singing Real em Rio at end of film.
Two males and one female, males are the same as Blu, Blue color feathers with brown eyes, and the female are the same color of Jade, which is the color Cerulean Feathers with blue eyes.
And they have no name appeared.

You see in the end they have 3

It's unknown how many chicks they had,because there hasn't been any evidence of a sequel to Rio as of yet.

-Celtic Kate