Off the southeastern coast of Australia, a government is attempting something the world has never seen at this scale: vaccinating thousands of wild penguins against a virus that has already reshaped ecosystems across multiple continents. The little penguins of Phillip Island — densely colonial, biologically vulnerable, and now squarely in the path of H5N1 — represent both the urgency of this moment and the strange new frontier where conservation and emergency medicine have become indistinguishable. What unfolds on that island in the coming weeks is not merely a wildlife intervention; it is a r