British Nationality (Falkland Islands) Act 1983 Territories citizens were restricted in their right to enter and stay in the UK. The new Act conferred full British citizenship on the residents of the Falkland Islands, giving them more preferential status than that of other BDTCs, including BDTCs of Gibraltar (whose British citizenship must be voluntarily applied for). The 1983 Act had retrospective effect from 1 January 1983, the date on which the 1981 Act had come into effect. The 1983 Act was passed mainly in response to the Falklands War, which was fought between the United Kingdom and Argentina over the sovereignty of the islands. The United
Bird Island, Falkland Islands any offshore island around the Falklands, possibly due to the very large population of thin-billed prions, an important prey species. Deep Tussac cover over most of Bird Island makes it comparable to Beauchene Island for the density of burrowing petrels. Other species that should be investigated include sooty shearwater, grey-backed storm petrel, which is thought to be numerous, rock shag, imperial shag and dolphin gull. Endemic races present include the dark-faced ground-tyrant, Falkland thrush, long-tailed meadowlark and common diving petrel. Bird Island, Falkland Islands Bird Island () is one of the Falkland Islands. It lies due south of West Falkland,