The Short Version
While Australian magpie swooping is a real and well-documented nest-defense behavior during spring, the claim overstates both its frequency and its timing. Peer-reviewed research and BirdLife Australia indicate fewer than 10% of male magpies actually swoop humans, making "frequently" a significant exaggeration at the species level. Multiple authoritative sources place the core swooping window as August to October, not September to November as stated, meaning the claim's timeframe is shifted roughly one month later than the evidence supports.