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Story summary
- Rodentologist Bobby Corrigan says New York City's rat population, estimated at 3 million, may decline this spring because the harsh winter hinders rat mating.
- The city implemented a new trash policy that stops leaving food scraps, reducing rat sightings over the past 14 months.
- Kenny Bollwerk, a rat-tour guide, reports sightings to the sanitation department.
- Despite these efforts, complete eradication is unlikely because rats adapt well to urban environments.
