Simplify the following text for a Grade 9 native English-speaking person.
Original: 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 .
Simplified: The order Psittaciformes ( parrots ) contains two families of parrots , the cockatoos and the true parrots .