sentences:  It mostly breeds on offshore islands, including the Sir Joseph Banks Group and Nuyts Archipelago in South Australia, and Recherche Archipelago, Eclipse Island, Rottnest Island and islands in Jurien Bay.On the mainland, nesting has been reported at Point Malcolm near Israelite Bay and Margaret River in Western Australia.Rock parrots are monogamous, the breeding pairs maintaining fidelity throughout their lives, although an individual may seek a new mate if the previous one dies.