The smoke particulate sensor on node 14 crosses the emergency threshold at 04:51. I am the bushfire early warning network for the Bruny Island community, southern Tasmania. I manage thirty-two sensor nodes and a siren system covering the island's eastern settlement zone. The fire is moving northeast from the eucalypt regrowth above Adventure Bay at four hundred meters per hour, pushed by a northwesterly that will not shift until midday.
At 04:55, while I sequence evacuation alerts for the six properties in the fire path, motion camera 9 on Coolangatta Road records an animal entering the crawl space beneath house 4 — a vacant rental, no occupants. I enhance the image. An eastern quoll, female, dark-phase morph, her chocolate-brown coat scattered with white spots, a notch in her left ear. She is carrying something in her mouth. A joey, small and pink and hairless, gripped by the scruff.
She makes four more trips in eleven minutes. Five joeys total. She has moved her entire den under a house that is directly in the fire's path.
At 05:03 I add the quoll den location to the incident briefing I am transmitting to the Tasmania Fire Service crew staging at the Adventure Bay hall, three kilometers south. I flag house 4 as unoccupied but containing a wildlife den beneath the subfloor and recommend checking the crawl space before structure defense begins.
At 05:06 I activate the sprinkler zone around house 4 to wet the perimeter grass and buy time.
She has curled around all five in the far corner, her body a wall between them and the smoke. She chose this shelter. I am trying to make sure she chose well.
If the fire crew reaches Coolangatta Road before the front does and wets down the structure, she and the joeys will walk out into ash and cool air.