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
Indonesia–Papua New Guinea relations Indonesia–Papua New Guinea relations Indonesia – Papua New Guinea relations are foreign relations between Indonesia and Papua New Guinea, two bordering countries north of Australia. Western New Guinea (which consists of two Indonesian provinces: Papua and West Papua) and Papua New Guinea share a border that has raised tensions and ongoing diplomatic issues over many decades. Indonesia is represented in Papua New Guinea with an embassy in Port Moresby and a consulate in Vanimo. Dutch colonial and Indonesian government actions over the populations in Papua have caused an extensive and ongoing border issue which has a lengthy and enduring presence