We talked with Robert Sullivan, the author of Rats: Observations on the History & Habitat of the City's Most Unwanted Inhabitants, for a wide-ranging conversation that began with the news that Central Park’s beloved owl Barry had consumed rat poison that may have made impaired her ability to fly before she was hit and killed by a Conservancy truck inside the park.

We talked with Robert Sullivan, the author of Rats: Observations on the History & Habitat of the City's Most Unwanted Inhabitants, for a wide-ranging conversation that began with the news that Central Park’s beloved owl Barry had consumed rat poison that may have made impaired her ability to fly before she was hit and killed by a Conservancy truck inside the park.