Scarce swallowtail Republic have been found to be a good indicator of relatively well preserved xerothermic grassland habitats with forest-steppe vegetation, which have no cutting history. In some years the scarce swallowtail is quite abundant. The scarce swallowtail is getting rarer as the blackthorn bushes are being cleared. The butterfly is now protected by law in the Czech Republic, Slovakia, Germany, Hungary, Luxembourg, Russia, Ukraine and Poland. It is considered rare and endangered and protected in some provinces of Austria and of indeterminate status throughout Europe. In Armenia the species demonstrates stable population trend and is evaluated as Least Concern. Though referred
Swallowtail Lighthouse organization called Save Swallowtail was formed in order to clean up and repair the building. In 2009 the village leased the keeper's house to the organization, which had become the Swallowtail Keepers Society, for 20 years. In 2010, Swallowtail light was included on a list of 976 lighthouses declared "surplus" by the Canadian Coast Guard. The Swallowtail Keepers Society undertook to acquire and maintain the lighthouse and remaining property, and received a $55,000 grant from the New Brunswick government at a ceremony marking the Swallowtail's 150th anniversary. In 2012 the fog bell, which had been housed at the Grand Manan