Papua New Guinea notable feature in common for the two landmasses is the existence of several species of marsupial mammals, including some kangaroos and possums, which are not found elsewhere. Papua New Guinea is a megadiverse country. Many of the other islands within PNG territory, including New Britain, New Ireland, Bougainville, the Admiralty Islands, the Trobriand Islands, and the Louisiade Archipelago, were never linked to New Guinea by land bridges. As a consequence, they have their own flora and fauna; in particular, they lack many of the land mammals and flightless birds that are common to New Guinea and Australia. Australia and New
Supreme Court of Papua New Guinea Supreme Court to the Judicial Committee of the Privy Council were abolished by Ireland in 1933, Canada in 1949, India in 1950, Guyana in 1970, Sri Lanka in 1972, Australia federally in 1968, and from Australian States in 1975. They accordingly did not exist from the High Court of Australia when Papua New Guinea was granted independence, and consideration of appeals to London from Papua New Guinea did not arise. Canadian appeals to the Privy Council were often heard by an Australian judge and vice versa; admirable cases decided in the other country are occasionally followed as are parliamentary statutes