Listed as Vulnerable under Australia's EPBC ACT, and in the ACT, NSW, QLD and VIC.
SPRAT profile: https://www.environment.gov.au/cgi-bin/sprat/public/publicspecies.pl?taxon_id=682
Migrates to eastern Australia in late spring and returns to the Northern Hemisphere in early autumn to breed.
Hirundapus caudacutus is listed in the following regions:
Canberra & Southern Tablelands | Southern Highlands | Albury, Wodonga | South Coast | New South Wales North Coast | Gippsland | Greater Brisbane