In the green hills of the Wairarapa, a native swamp harrier hawk has become New Zealand's second confirmed carrier of H5 bird flu — a quiet but consequential signal that a global strain is finding its footing in islands long sheltered by distance. Authorities move swiftly not in panic, but in the measured cadence of preparation, knowing that what arrives on the wing cannot always be turned back, only met with readiness. The deeper concern is not for the hawk alone, but for the fragile, irreplaceable birds that evolved here in isolation, unguarded by the immunological memory that comes from cen