The true parrots are about 330 species of bird belonging to the Psittacidae family , one of the two families in the biological order Psittaciformes ( parrots ) . The other family is the Cacatuidae ( cockatoos ) which are also parrots , but not classified as true parrots . The order Psittaciformes ( parrots ) contains two families of parrots , the cockatoos and the true parrots .