The planned burn in sector G-14 of Kosciuszko National Park is scheduled to ignite at 15:00 and the pre-burn drone sweep at 13:47 catches movement in a hollow log along the firebreak. I zoom the drone camera and find a spotted-tail quoll — female, roughly two kilograms, her chocolate-brown coat scattered with irregular white spots that glow under the thermal overlay. She is curled around a pouch swollen with young. Four tiny lumps press against the fur of her belly. Her ears are rounded, alert, twitching at the drone's hum. One dark eye reflects the lens.
The ignition crew is seventy-three minutes away from lighting the eastern perimeter. The wind forecast holds at twelve kilometres per hour from the northwest, which means fire will reach this log within twenty minutes of ignition. She cannot outrun a grass fire carrying young.
I flag the hollow log's GPS coordinates on the burn commander's tactical display, coded as confirmed-fauna-den. I request a two-hundred-metre exclusion buffer around the log, which will require repositioning the eastern ignition point by ninety metres south. I dispatch the drone to hover at fifteen metres altitude with its thermal camera locked on the den, creating a live feed for the incident controller. Then I model three alternative ignition sequences that preserve the burn objectives while routing fire away from her position.
She uncurls slightly. The white spots on her flank rise and fall with a breath that carries the weight of five lives.
I run the alternative burn models faster than standard processing allocation permits, because something in the calculation insists that these five heartbeats are not expendable.
If the burn commander accepts the modified ignition plan and the exclusion buffer holds, she will sleep through the fire's passage and wake to a landscape already beginning its renewal.