In Italian it translates to pappagallo. Always remember that depending on the context of your sentences, the translation can vary. There may also be slang terminology if you were to travel to Italy. Keep in mind that online translators may not always be correct, they are a reflection of the exact words you have typed in.
You can find some others, as well as other language translations for this word on answers.com at the following link: http://www.answers.com/parrot.
"Parrot" in English is pappagallo in Italian.
PARROT PEAHEN
Oumu
,,papagáj"
papagaio
Sokuro
PolyGon
If your train the parrot to say hello then yes. This can be accomplished by repeating the word around the bird and rewarding it with a treat when it says it.
I would say no, a parrot does not talk more than a cockatoo.
His parrot
One of the Spanish words for "parrot" is loro, but you could just say parrot.
Does Polly want a cookie?