14/03/2026
Hopefully they will be back on Pitt Island soon.
Five birds were all that stood between survival and silence.
One female carried the future in her bones.
But the part most people miss is how deliberate her rescue became.
In 1980, on New Zealand’s Chatham Islands, the black robin population fell to five. Only one breeding female remained. Conservationists called her Old Blue.
They moved her eggs into safer nests, fostered them under other birds, and monitored every hatch. When she chose unstable nesting spots, they intervened. Every surviving chick carried her DNA.
That genetic bottleneck was extreme. The entire modern population descends from a single mother, a rarity in conservation biology and a risk most species never recover from.
Today, the black robin lives because one small bird kept laying when extinction was already scheduled. Sometimes survival is not dramatic. It is persistent.
