On April 3, 2025 – Trump’s so-called “liberation day” – the penguins of Heard Island awoke to find themselves unexpectedly subject to US trade tariffs.
Indeed, all of Australia’s external territories, inhabited or not, were swept up in Trump’s latest lash out at the world. Norfolk Island (population 2188), despite having no known exports to the US, received a bewildering 29 per cent tariff.