Beautiful bird, in Portuguese, would be "pássaro lindo". Simply put, "pássaro" is bird and "lindo" means beautiful (in the masculine gender tough, for the feminine correspondent one would use "linda", which still means beautiful, but only applies to the female gender.).
beautiful
Lindo\linda.
you are stunning
In Brazilian portuguese, girls and women say : "Olá lindão" (leendawn)
Boa noite, linda (for female beautiful)
Pássaro brincalhão
pássaro, passarinho, ave.
coisa linda
vida bela
foda-se
Belo dançarino.
Belo lar. Beautiful house = bela casa.