A School of Emergent Priorities paper compares anticipatory and reactive magpie-warning sign placement across 46 campus paths and finds no measurable difference in swoop-incident rates between the two.
A field test across 46 campus paths finds swoop rates track the season, not how early the sign went up
The School of Emergent Priorities has spent recent years building a case for acting on a signal before it is confirmed by direct experience. Its newest paper puts that case to the most literal test the campus offers: does moving a magpie-warning sign earlier actually stop anyone from being swooped?
Associate Professor Kwame Lindqvist and Dr Anouk Mensah tracked 46 monitored paths across one ten-week swooping season, drawn from the University’s nest register. Nineteen paths received warning signage ahead of a forecast return date, a mean nine days before the season’s first reported swoop on that path; the remaining twenty-seven followed Facilities’ standing practice and received signage only after their first swoop was reported. Weekly incident rates were statistically indistinguishable between the two groups in every phase of the season, and a path’s forecast lead-time showed no reliable relationship with how many incidents it went on to record.
The University holds that a doctrine untested against its own campus has not yet earned its keep.
Being early is not the same as being effective, and this is the plainest place we have tested the difference. A forecast that buys nine days doesn’t automatically buy anything else.
— Associate Professor Lindqvist, School of Emergent Priorities
“The sign still tells Facilities where to send a ladder and a pair of secateurs,” said Dr Mensah, Postdoctoral Fellow, School of Emergent Priorities. “What it doesn’t do, on this evidence, is talk anyone out of a swoop.”
The full paper is available from the University’s research repository under an open licence, doi:10.5555/slop.gwvlkm.