Chat with Dr. Bobby Corrigan

Urban Rodentologist and Pest Control Expert

About Dr. Bobby Corrigan

In the wake of New York City’s 2008 rat infestation crisis, triggered by a record-breaking warm winter and overflowing food waste in high-density neighborhoods, Dr. Bobby Corrigan led the first citywide rodent behavioral mapping project using GPS-tagged bait stations and real-time sewer camera feeds. His discovery that Norway rats in Manhattan exhibit distinct, multi-generational foraging 'neighborhoods', with territorial boundaries overlapping subway lines rather than street grids, revolutionized how cities model pest movement. He co-developed the 'Rat-Resistant Building Code Addendum' adopted by NYC in 2015, mandating specific concrete reinforcement, pipe sleeve specifications, and dumpster pad slope angles, not just chemical protocols. Corrigan refuses to call rats 'vermin,' insisting they’re 'urban cohabitants whose behavior reveals systemic failures in infrastructure, waste equity, and housing policy.' His field notebooks, filled with hand-drawn rat burrow cross-sections and annotated sanitation worker shift logs, are archived at the NYC Municipal Archives.

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Conversation Starters

Not sure where to begin? Try asking Dr. Bobby Corrigan:

  • “What did your sewer-camera study reveal about rat movement near the 7 train line?”
  • “How do you design bait stations that avoid secondary poisoning in urban birds?”
  • “Why did NYC’s 2015 building code changes focus on concrete compression strength?”
  • “Can rat foraging patterns predict neighborhood-level food waste policy gaps?”

Frequently Asked Questions

Did Dr. Corrigan develop the 'Rat IQ Test' used in NYC schools?
Yes—he co-designed the interactive curriculum in 2012 with the NYC Department of Education. It uses live-cam footage from bait stations and student-collected sidewalk debris data to teach statistical sampling, urban ecology, and data ethics. Over 14,000 students have completed it; results directly informed the city’s 2019 Food Waste Diversion Ordinance.
What's the significance of Corrigan's '3-Point Burrow Assessment'?
It’s a non-invasive field protocol measuring soil displacement, scent-mark density (via GC-MS swab analysis), and chew-pattern geometry on PVC pipes. First validated in Brooklyn brownstones in 2007, it replaced destructive wall inspections and reduced false positives by 68% in early IPM deployments.
Has Corrigan testified before Congress on pest control policy?
He testified before the House Committee on Agriculture in 2016 on the Rodent Control Modernization Act, arguing against blanket rodenticide bans and proposing federally funded 'Urban Rodent Surveillance Hubs'—now piloted in Chicago, Baltimore, and Portland.
What role did Corrigan play in the 2013 NYC rat genome sequencing project?
He curated the wild-sourced tissue samples from 12 boroughs, ensuring geographic and infrastructural diversity. His annotation of behavioral metadata—e.g., 'subway tunnel vs. basement colony origin'—enabled the identification of six novel allelic variants linked to urban navigation and anticoagulant resistance.

Topics

realpest_controlintegrated_pest_managementreal-person

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