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Koala Windows Page

Reyes replied: "So we didn't build a crossing. We built a lesson."

This is the story of how a problem became a solution, and how a solution changed the way a country thought about its roads. koala windows

They installed five prototypes. Within a week, a female koala named "Bumpy" (for the scar on her nose) was photographed climbing one, pausing at a ledge, and using it to cross over the tracks without ever touching the ground. The panel had a small, circular opening near the top—a "window" through which a koala could observe the other side before committing. Reyes, an amateur photographer, captured Bumpy peering through that hole, her furry face framed like a portrait. The image went viral locally. "Koala Window" stuck. Reyes replied: "So we didn't build a crossing

Enter the engineers. Traditional wildlife crossings—overpasses planted with native shrubs—were too expensive for this narrow rail corridor. Tunnels failed because koalas rarely enter dark, enclosed spaces on the ground. But a chance conversation between Lin and a structural engineer, Tomás Reyes, led to a radical idea. Reyes was designing a noise barrier for a new housing estate. "What if," he asked, "we make the barrier rough, planted, and vertical? A fake tree that's actually a real habitat?" Within a week, a female koala named "Bumpy"

But the real innovation came when Lin asked a simple question: "What do they see through the window?" She realized that if the view from the climbing panel showed only more fragmented habitat, the koala would simply climb back down. So the team began orienting the windows toward intact vegetation corridors. They even experimented with scent—smearing eucalyptus oil on the inside rim of the window to suggest that the destination was worthwhile.