Long-billed Corella, Cacatua tenuirostris (Introduced to WA)(Lake Joondalup, Perth)Long-billed Corella, Cacatua tenuirostris (Introduced to WA)(Lake Joondalup, Perth)Long-billed Corella, Cacatua tenuirostris (Introduced to WA)(Lake Joondalup, Perth)